AMD Radeon RX 7800 XT
vs
AMD Radeon RX 6800 XT
vs
GPU Comparison Result
Below are the results of a comparison of
AMD Radeon RX 7800 XT
and
AMD Radeon RX 6800 XT
video cards based on key performance characteristics, as well as power consumption and much more.
Advantages
- Higher Boost Clock: 2430MHz (2430MHz vs 2250MHz)
- Higher Bandwidth: 624.1 GB/s (624.1 GB/s vs 512.0 GB/s)
- Newer Launch Date: August 2023 (August 2023 vs October 2020)
- More Shading Units: 4608 (3840 vs 4608)
Basic
AMD
Label Name
AMD
August 2023
Launch Date
October 2020
Desktop
Platform
Desktop
Radeon RX 7800 XT
Model Name
Radeon RX 6800 XT
Navi III
Generation
Navi II
1295MHz
Base Clock
1825MHz
2430MHz
Boost Clock
2250MHz
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
28,100 million
Transistors
26,800 million
60
RT Cores
72
60
Compute Units
72
240
TMUs
?
Texture Mapping Units (TMUs) serve as components of the GPU, which are capable of rotating, scaling, and distorting binary images, and then placing them as textures onto any plane of a given 3D model. This process is called texture mapping.
288
TSMC
Foundry
TSMC
5 nm
Process Size
7 nm
RDNA 3.0
Architecture
RDNA 2.0
Memory Specifications
16GB
Memory Size
16GB
GDDR6
Memory Type
GDDR6
256bit
Memory Bus
?
The memory bus width refers to the number of bits of data that the video memory can transfer within a single clock cycle. The larger the bus width, the greater the amount of data that can be transmitted instantaneously, making it one of the crucial parameters of video memory. The memory bandwidth is calculated as: Memory Bandwidth = Memory Frequency x Memory Bus Width / 8. Therefore, when the memory frequencies are similar, the memory bus width will determine the size of the memory bandwidth.
256bit
2438MHz
Memory Clock
2000MHz
624.1 GB/s
Bandwidth
?
Memory bandwidth refers to the data transfer rate between the graphics chip and the video memory. It is measured in bytes per second, and the formula to calculate it is: memory bandwidth = working frequency × memory bus width / 8 bits.
512.0 GB/s
Theoretical Performance
233.3 GPixel/s
Pixel Rate
?
Pixel fill rate refers to the number of pixels a graphics processing unit (GPU) can render per second, measured in MPixels/s (million pixels per second) or GPixels/s (billion pixels per second). It is the most commonly used metric to evaluate the pixel processing performance of a graphics card.
288.0 GPixel/s
583.2 GTexel/s
Texture Rate
?
Texture fill rate refers to the number of texture map elements (texels) that a GPU can map to pixels in a single second.
648.0 GTexel/s
74.65 TFLOPS
FP16 (half)
?
An important metric for measuring GPU performance is floating-point computing capability. Half-precision floating-point numbers (16-bit) are used for applications like machine learning, where lower precision is acceptable. Single-precision floating-point numbers (32-bit) are used for common multimedia and graphics processing tasks, while double-precision floating-point numbers (64-bit) are required for scientific computing that demands a wide numeric range and high accuracy.
41.47 TFLOPS
1166 GFLOPS
FP64 (double)
?
An important metric for measuring GPU performance is floating-point computing capability. Double-precision floating-point numbers (64-bit) are required for scientific computing that demands a wide numeric range and high accuracy, while single-precision floating-point numbers (32-bit) are used for common multimedia and graphics processing tasks. Half-precision floating-point numbers (16-bit) are used for applications like machine learning, where lower precision is acceptable.
1296 GFLOPS
36.574
TFLOPS
FP32 (float)
?
An important metric for measuring GPU performance is floating-point computing capability. Single-precision floating-point numbers (32-bit) are used for common multimedia and graphics processing tasks, while double-precision floating-point numbers (64-bit) are required for scientific computing that demands a wide numeric range and high accuracy. Half-precision floating-point numbers (16-bit) are used for applications like machine learning, where lower precision is acceptable.
20.325
TFLOPS
Miscellaneous
3840
Shading Units
?
The most fundamental processing unit is the Streaming Processor (SP), where specific instructions and tasks are executed. GPUs perform parallel computing, which means multiple SPs work simultaneously to process tasks.
4608
128 KB per Array
L1 Cache
128 KB per Array
4MB
L2 Cache
4MB
263W
TDP
300W
1.3
Vulkan Version
?
Vulkan is a cross-platform graphics and compute API by Khronos Group, offering high performance and low CPU overhead. It lets developers control the GPU directly, reduces rendering overhead, and supports multi-threading and multi-core processors.
1.3
2.2
OpenCL Version
2.1
4.6
OpenGL
4.6
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
2x 8-pin
Power Connectors
2x 8-pin
96
ROPs
?
The Raster Operations Pipeline (ROPs) is primarily responsible for handling lighting and reflection calculations in games, as well as managing effects like anti-aliasing (AA), high resolution, smoke, and fire. The more demanding the anti-aliasing and lighting effects in a game, the higher the performance requirements for the ROPs; otherwise, it may result in a sharp drop in frame rate.
128
6.7
Shader Model
6.5
700W
Suggested PSU
700W
Benchmarks
Shadow of the Tomb Raider 2160p
/ fps
Radeon RX 7800 XT
82
+15%
Radeon RX 6800 XT
71
Shadow of the Tomb Raider 1440p
/ fps
Radeon RX 7800 XT
157
+20%
Radeon RX 6800 XT
131
Shadow of the Tomb Raider 1080p
/ fps
Radeon RX 7800 XT
253
+32%
Radeon RX 6800 XT
192
Cyberpunk 2077 2160p
/ fps
Radeon RX 7800 XT
44
Radeon RX 6800 XT
61
+39%
Cyberpunk 2077 1440p
/ fps
Radeon RX 7800 XT
115
+69%
Radeon RX 6800 XT
68
Cyberpunk 2077 1080p
/ fps
Radeon RX 7800 XT
164
+64%
Radeon RX 6800 XT
100
GTA 5 2160p
/ fps
Radeon RX 7800 XT
137
+26%
Radeon RX 6800 XT
109
GTA 5 1440p
/ fps
Radeon RX 7800 XT
137
+1%
Radeon RX 6800 XT
135
GTA 5 1080p
/ fps
Radeon RX 7800 XT
186
+2%
Radeon RX 6800 XT
182
FP32 (float)
/ TFLOPS
Radeon RX 7800 XT
36.574
+80%
Radeon RX 6800 XT
20.325
3DMark Steel Nomad
Radeon RX 7800 XT
4153
+13%
Radeon RX 6800 XT
3672
3DMark Time Spy
Radeon RX 7800 XT
20345
+2%
Radeon RX 6800 XT
19904
Blender
Radeon RX 7800 XT
2476
+4%
Radeon RX 6800 XT
2384
Vulkan
Radeon RX 7800 XT
155024
Radeon RX 6800 XT
156538
+1%
OpenCL
Radeon RX 7800 XT
140145
Radeon RX 6800 XT
150221
+7%
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