AMD Radeon RX 6800M vs AMD Radeon RX 7900 XT
GPU · Specs Compare
Graphics Card
Release Date
May 2021
Nov 2022
Generation
Mobility Radeon
Navi III
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
2116 MHz
1387 MHz
Boost Clock
2390 MHz
2394 MHz
Memory Clock
2000 MHz
2500 MHz
Memory
Memory Size
12GB
20GB
Memory Type
GDDR6
GDDR6
Memory Bus
192bit
320bit
Bandwidth
384.0GB/s
800.0GB/s
Render Config
Compute Units
40
84
Shading Units
2560
5376
TMUs
160
336
ROPs
64
192
RT Cores
40
84
L1 Cache
128 KB per Array
256 KB per Array
L2 Cache
3 MB
6 MB
L3 Cache
96 MB
80 MB
Theoretical Performance
Pixel Rate
153.0 GPixel/s
459.6 GPixel/s
Texture Rate
382.4 GTexel/s
804.4 GTexel/s
FP16 (half)
24.47 TFLOPS
103.0 TFLOPS
FP32 (float)
12.24 TFLOPS
51.48 TFLOPS
FP64 (double)
764.8 GFLOPS
1.609 TFLOPS
Graphics Processor
GPU Name
Navi 22
Navi 31
GPU Variant
Navi 22 XTM
Navi 31 XT(215-145000156)
Architecture
RDNA 2.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
17.2 billion
57.7 billion
Die Size
335 mm²
529 mm²
Board Design
TDP
145W
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
11,498
26,829
3DMark Time Spy Extreme
5,418
13,130
3DMark Speed Way
2,096
5,364
Blender
1,568
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▲ Specs Compare
Data sourced from official specifications and benchmark tests.