AMD Radeon RX 6800S vs AMD Radeon RX 7900 XT
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Nov 2022
Generation
Mobility Radeon
Navi III
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
1800 MHz
1387 MHz
Boost Clock
2100 MHz
2394 MHz
Memory Clock
2000 MHz
2500 MHz
Memory
Memory Size
8GB
20GB
Memory Type
GDDR6
GDDR6
Memory Bus
128bit
320bit
Bandwidth
256.0GB/s
800.0GB/s
Render Config
Compute Units
32
84
Shading Units
2048
5376
TMUs
128
336
ROPs
64
192
RT Cores
32
84
L1 Cache
128 KB per Array
256 KB per Array
L2 Cache
2 MB
6 MB
L3 Cache
32 MB
80 MB
Theoretical Performance
Pixel Rate
134.4 GPixel/s
459.6 GPixel/s
Texture Rate
268.8 GTexel/s
804.4 GTexel/s
FP16 (half)
17.20 TFLOPS
103.0 TFLOPS
FP32 (float)
8.602 TFLOPS
51.48 TFLOPS
FP64 (double)
537.6 GFLOPS
1.609 TFLOPS
Graphics Processor
GPU Name
Navi 23
Navi 31
Architecture
RDNA 2.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
11.06 billion
57.7 billion
Die Size
237 mm²
529 mm²
GPU Variant
—
Navi 31 XT(215-145000156)
Board Design
TDP
100W
300W
Outputs
No outputs
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Power Connectors
None
2x 8-pin
Suggested PSU
—
700 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.2
Vulkan
1.3
1.3
Shader Model
6.5
6.8
Benchmark
3DMark Time Spy
—
26,829
3DMark Time Spy Extreme
—
13,130
3DMark Speed Way
—
5,364
▲ Specs Compare
Data sourced from official specifications and benchmark tests.