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Intel Core i5-3337U

Intel Core i5-3337U

Intel Core i5-3337U in 2025: Is It Worth Considering an Outdated Processor?

Analysis of Capabilities, Use Cases, and Alternatives

Architecture and Process Technology: What's Inside?

The Intel Core i5-3337U, released in 2013, belongs to the Ivy Bridge generation. This is the third reincarnation of the Intel Core microarchitecture, succeeding Sandy Bridge. Key features include:

- 2 cores and 4 threads thanks to Hyper-Threading.

- Base clock of 1.8 GHz, turbo mode up to 2.7 GHz (for a single core).

- Integrated Intel HD Graphics 4000 with a base frequency of 350 MHz and peak frequency of 1.1 GHz.

- 22nm process technology, which for its time represented progress in energy efficiency.

Despite supporting DirectX 11, the iGPU HD 4000 is poorly suited for modern gaming-even in 2013, it could only handle simple projects like CS:GO or Dota 2 on low settings.

Power Consumption and TDP: Balance Between Power and Battery Life

The 17W TDP indicates that the processor is designed for thin laptops and ultrabooks. In 2013, this was a compromise:

- Low heat output allowed for devices to be built without active cooling (like hybrids such as the Lenovo Yoga 2).

- However, under load (e.g., video rendering), the chip quickly reached temperature limits, reducing its frequency to the base clock.

In comparison, modern 15W processors (e.g., Intel Core i5-1235U) demonstrate 3-4 times greater performance at a similar TDP.

Performance in 2025: What Can the i5-3337U Actually Handle?

Geekbench 6 results (432 / 865) show that the processor lags behind even budget smartphones in 2025 (e.g., Snapdragon 8 Gen 3). However, it is still adequate for basic tasks:

- Office Work: Word, Excel, and a browser with 5-7 tabs work fine. However, heavy PDFs or online presentations with animations may lag.

- Multimedia: Watching Full HD video (YouTube, Netflix) is possible, but 4K or HDR are not supported hardware-wise.

- Gaming: Only older games (Skyrim, GTA IV) at low settings and 720p resolution. Even Minecraft without optimization mods will run with stutters.

- Turbo Mode: The brief "boost" to 2.7 GHz helps in short tasks (like launching applications), but under sustained load (e.g., video conversion), the frequency drops to 1.8-2.0 GHz.

Use Cases: Who is it Suitable for in 2025?

This processor is relevant only in two scenarios:

1. Budget Devices for Basic Tasks: Laptops costing up to $200 (new models with minimum Windows 11 specs).

2. Secondary Device: For instance, for travel where losing or damaging the device isn’t a concern.

For graphics work, programming, or modern operating systems (including security updates), the i5-3337U is not recommended.

Battery Life: Myths and Reality

In 2013, laptops with this chip promised 5-7 hours of operation. In 2025, the situation is different:

- Old batteries (if not replaced) have degraded, reducing usage time to 2-3 hours.

- Energy-saving technologies (Intel SpeedStep, C-States) are outdated-modern processors (like AMD Ryzen 5 7530U) are 2-3 times more efficient for similar tasks.

Comparison with Competitors: What to Look for Instead of i5-3337U?

- Intel Pentium Gold 7505 (2023): 2 cores / 4 threads, 10nm process, 15W TDP. Geekbench 6: ~1500/2800. Laptop prices: starting at $350.

- AMD Ryzen 3 7320U (2024): 4 cores / 8 threads, 6nm, 15W TDP. Geekbench 6: ~1800/4000. Laptops from $400.

- Apple M1 (2020): Single-threaded performance ~2300, multi-threaded ~8000. Devices starting at $799 (new).

Conclusion: Even modern budget CPUs outperform the i5-3337U by 3-5 times.

Pros and Cons

Pros:

- Low device prices (new models starting at $150).

- Sufficient for basic web browsing and text work.

- Compact and lightweight laptop designs.

Cons:

- No support for modern instructions (AVX2, AI acceleration).

- Maximum of 16GB DDR3-1600 MHz (relatively slow memory by modern standards).

- Lack of hardware decoding for AV1, VP9.

Notebook Selection Tips for 2025

1. Budget under $300: Look for models with Intel N100 (4 cores / 4 threads, 6W TDP) or AMD Athlon Silver 7120U. Example: Acer Aspire 1 ($279).

2. Ultrabooks: HP Pavilion Aero 13 (Ryzen 5 7530U, $599) or Lenovo IdeaPad Slim 5i (Core i3-1215U, $549).

3. Important Checks:

- Support for Wi-Fi 6 and USB-C.

- Presence of SSD (not HDD!).

- Screen with at least Full HD resolution.

Final Conclusion

The Intel Core i5-3337U in 2025 is a choice for those in need of an extremely cheap laptop for basic tasks like email checking, text typing, or video watching. However, even a modest budget ($300-400) opens access to devices with modern processors that ensure smooth OS operation, support for new standards, and performance headroom for the next 3-4 years.

Who it suits:

- Students for note-taking.

- Users needing a "backup" device.

- Those unwilling to spend more than $200.

Who it does not suit:

- Gamers, designers, programmers.

- Anyone working with modern applications.

If your budget allows-opt for modern processors. The technologies of 2025 make the i5-3337U a relic of the past.

Basic

Label Name
Intel
Platform
Mobile
Launch Date
January 2013
Model Name
?
The Intel processor number is just one of several factors - along with processor brand, system configurations, and system-level benchmarks - to be considered when choosing the right processor for your computing needs.
i5-3337U
Code Name
Ivi Bridge

CPU Specifications

Total Cores
?
Cores is a hardware term that describes the number of independent central processing units in a single computing component (die or chip).
2
Total Threads
?
Where applicable, Intel® Hyper-Threading Technology is only available on Performance-cores.
4
Basic Frequency
1.80 GHz
Max Turbo Frequency
?
Max Turbo Frequency is the maximum single-core frequency at which the processor is capable of operating using Intel® Turbo Boost Technology and, if present, Intel® Turbo Boost Max Technology 3.0 and Intel® Thermal Velocity Boost. Frequency is typically measured in gigahertz (GHz), or billion cycles per second.
2.70 GHz
Intel Turbo Boost Technology
?
Intel® Turbo Boost Technology dynamically increases the processor's frequency as needed by taking advantage of thermal and power headroom to give you a burst of speed when you need it, and increased energy efficiency when you don’t.
2.0
Intel Hyper-Threading Technology
?
Intel® Hyper-Threading Technology (Intel® HT Technology) delivers two processing threads per physical core. Highly threaded applications can get more work done in parallel, completing tasks sooner.
Yes
Intel Turbo Boost Technology 2.0 Frequency
2.70 GHz
CPU Socket
?
The socket is the component that provides the mechanical and electrical connections between the processor and motherboard.
FCBGA1023
Technology
?
Lithography refers to the semiconductor technology used to manufacture an integrated circuit, and is reported in nanometer (nm), indicative of the size of features built on the semiconductor.
22 nm
TDP
17 W
Max. Operating Temperature
?
Junction Temperature is the maximum temperature allowed at the processor die.
105 C
PCI Express Version
?
PCI Express Revision is the supported version of the PCI Express standard. Peripheral Component Interconnect Express (or PCIe) is a high-speed serial computer expansion bus standard for attaching hardware devices to a computer. The different PCI Express versions support different data rates.
2.0
Number of PCI Express Lanes
?
A PCI Express (PCIe) lane consists of two differential signaling pairs, one for receiving data, one for transmitting data, and is the basic unit of the PCIe bus. Max # of PCI Express Lanes is the total number of supported lanes.
16
Instruction Set
?
The instruction set is a hard program stored inside the CPU that guides and optimizes CPU operations. With these instruction sets, the CPU can run more efficiently. There are many manufacturers that design CPUs, which results in different instruction sets, such as the 8086 instruction set for the Intel camp and the RISC instruction set for the ARM camp. x86, ARM v8, and MIPS are all codes for instruction sets. Instruction sets can be extended; for example, x86 added 64-bit support to create x86-64. Manufacturers developing CPUs that are compatible with a certain instruction set need authorization from the instruction set patent holder. A typical example is Intel authorizing AMD, enabling the latter to develop CPUs compatible with the x86 instruction set.
64-bit
Intel 64
?
Intel® 64 architecture delivers 64-bit computing on server, workstation, desktop and mobile platforms when combined with supporting software.¹ Intel 64 architecture improves performance by allowing systems to address more than 4 GB of both virtual and physical memory.
Yes
PCI Express Configurations
?
PCI Express (PCIe) Configurations describe the available PCIe lane configurations that can be used to link to PCIe devices.
1x16 | 2x8 | 1x8 2x4

Memory Specifications

Memory Type
?
Intel® processors come in four different types: Single Channel, Dual Channel, Triple Channel, and Flex Mode. Maximum supported memory speed may be lower when populating multiple DIMMs per channel on products that support multiple memory channels.
DDR3/L/-RS 1333/1600
Max Memory Size
?
Max memory size refers to the maximum memory capacity supported by the processor.
32 GB
Memory Channels
?
The number of memory channels refers to the bandwidth operation for real world application.
2
Max Memory Bandwidth
?
Max Memory bandwidth is the maximum rate at which data can be read from or stored into a semiconductor memory by the processor (in GB/s).
25.6 GB/s
Bus Speed
5 GT/s
ECC Memory Supported
?
ECC Memory Supported indicates processor support for Error-Correcting Code memory. ECC memory is a type of system memory that can detect and correct common kinds of internal data corruption. Note that ECC memory support requires both processor and chipset support.
No

GPU Specifications

GPU Name
Intel® HD Graphics 4000
Graphics Frequency
?
Graphics max dynamic frequency refers to the maximum opportunistic graphics render clock frequency (in MHz) that can be supported using Intel® HD Graphics with Dynamic Frequency feature.
1.10 GHz
Graphics Base Frequency
?
Graphics Base frequency refers to the rated/guaranteed graphics render clock frequency in MHz.
350 MHz
Number of Displays Supported
3
Graphics Output
?
Graphics Output defines the interfaces available to communicate with display devices.
eDP/DP/HDMI/SDVO/CRT

Miscellaneous

Intel Virtualization Technology (VT-x)
?
Intel® Virtualization Technology (VT-x) allows one hardware platform to function as multiple “virtual” platforms. It offers improved manageability by limiting downtime and maintaining productivity by isolating computing activities into separate partitions.
Yes
Intel Virtualization Technology for Directed I/O (VT-d)
?
Intel® Virtualization Technology for Directed I/O (VT-d) continues from the existing support for IA-32 (VT-x) and Itanium® processor (VT-i) virtualization adding new support for I/O-device virtualization. Intel VT-d can help end users improve security and reliability of the systems and also improve performance of I/O devices in virtualized environments.
Yes
Instruction Set Extensions
Intel® AVX
Enhanced Intel SpeedStep Technology
?
Enhanced Intel SpeedStep® Technology is an advanced means of enabling high performance while meeting the power-conservation needs of mobile systems. Conventional Intel SpeedStep® Technology switches both voltage and frequency in tandem between high and low levels in response to processor load. Enhanced Intel SpeedStep® Technology builds upon that architecture using design strategies such as Separation between Voltage and Frequency Changes, and Clock Partitioning and Recovery.
Yes
Execute Disable Bit
?
Execute Disable Bit is a hardware-based security feature that can reduce exposure to viruses and malicious-code attacks and prevent harmful software from executing and propagating on the server or network.
Yes
Cache
?
CPU Cache is an area of fast memory located on the processor. Intel® Smart Cache refers to the architecture that allows all cores to dynamically share access to the last level cache.
3 MB Intel® Smart Cache
Intel AES New Instructions
?
Intel® AES New Instructions (Intel® AES-NI) are a set of instructions that enable fast and secure data encryption and decryption. AES-NI are valuable for a wide range of cryptographic applications, for example: applications that perform bulk encryption/decryption, authentication, random number generation, and authenticated encryption.
Yes
Intel Clear Video HD Technology
?
Intel® Clear Video HD Technology, like its predecessor, Intel® Clear Video Technology, is a suite of image decode and processing technologies built into the integrated processor graphics that improve video playback, delivering cleaner, sharper images, more natural, accurate, and vivid colors, and a clear and stable video picture. Intel® Clear Video HD Technology adds video quality enhancements for richer color and more realistic skin tones.
Yes
Intel VT-x with Extended Page Tables (EPT)
?
Intel® VT-x with Extended Page Tables (EPT), also known as Second Level Address Translation (SLAT), provides acceleration for memory intensive virtualized applications. Extended Page Tables in Intel® Virtualization Technology platforms reduces the memory and power overhead costs and increases battery life through hardware optimization of page table management.
Yes
Intel InTru 3D Technology
Yes
Intel Flex Memory Access
Yes
Intel Quick Sync Video
?
Intel® Quick Sync Video delivers fast conversion of video for portable media players, online sharing, and video editing and authoring.
Yes

Benchmarks

Geekbench 6
Single Core Score
432
Geekbench 6
Multi Core Score
865
Geekbench 5
Single Core Score
493
Geekbench 5
Multi Core Score
969
Passmark CPU
Single Core Score
1288
Passmark CPU
Multi Core Score
2096

Compared to Other CPU

Geekbench 6 Single Core
Core i3-2125
499 +15.5%
Xeon X5660
471 +9%
Core i5-3337U
432
Core i3-3120M
404 -6.5%
Pentium B970
371 -14.1%
Geekbench 6 Multi Core
Pentium G4400T
1058 +22.3%
Core i5-3610ME
958 +10.8%
Core i5-3337U
865
Pentium 2030M
720 -16.8%
Celeron G1820TE
629 -27.3%
Geekbench 5 Single Core
Athlon X4 860K
524 +6.3%
Core i5-3437U
508 +3%
Core i5-3337U
493
Xeon E5-2650 v2
477 -3.2%
Xeon E5-2608L v4
459 -6.9%
Geekbench 5 Multi Core
Pentium G3250T
1126 +16.2%
A6-3600
1062 +9.6%
Core i5-3337U
969
Core i3-3130M
876 -9.6%
A4 PRO-7350B
812 -16.2%
Passmark CPU Single Core
Xeon X5660
1377 +6.9%
Core i3-6100U
1333 +3.5%
Core i5-3337U
1288
Core i3-5010U
1235 -4.1%
Core i5-2515E
1189 -7.7%
Passmark CPU Multi Core
A8-3850
2368 +13%
Celeron N6211
2245 +7.1%
Core i5-3337U
2096
Atom x7213RE
1957 -6.6%
Core i3-2310E
1845 -12%