AMD Radeon RX 6800M vs AMD Radeon Pro V620
GPU Specs Compare
Graphics Card
Release Date
May 2021
Nov 2021
Generation
Mobility Radeon
Radeon Pro
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
2116 MHz
1825 MHz
Boost Clock
2390 MHz
2200 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
12GB
32GB
Memory Type
GDDR6
GDDR6
Memory Bus
192bit
256bit
Bandwidth
384.0GB/s
512.0GB/s
Render Config
Compute Units
40
72
Shading Units
2560
4608
TMUs
160
288
ROPs
64
128
RT Cores
40
72
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
3 MB
4 MB
L3 Cache
96 MB
128 MB
Theoretical Performance
Pixel Rate
153.0 GPixel/s
281.6 GPixel/s
Texture Rate
382.4 GTexel/s
633.6 GTexel/s
FP16 (half)
24.47 TFLOPS
40.55 TFLOPS
FP32 (float)
12.24 TFLOPS
20.28 TFLOPS
FP64 (double)
764.8 GFLOPS
1267 GFLOPS
Graphics Processor
GPU Name
Navi 22
Navi 21
GPU Variant
Navi 22 XTM
Navi 21 XT(215-121000177)
Architecture
RDNA 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
7 nm
Transistors
17.2 billion
26.8 billion
Die Size
335 mm²
520 mm²
Board Design
TDP
145W
300W
Outputs
No outputs
No outputs
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
2.1
Vulkan
1.3
1.3
Shader Model
6.5
6.5
📊 Benchmark
3DMark Time Spy
11,498
-
3DMark Time Spy Extreme
5,418
-
3DMark Speed Way
2,096
-
Blender
1,568
-