AMD Radeon Pro V620 vs NVIDIA GeForce RTX 3080 Mobile
GPU Specs Compare
Graphics Card
Release Date
Nov 2021
Jan 2021
Generation
Radeon Pro
GeForce 30 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1825 MHz
1110 MHz
Boost Clock
2200 MHz
1545 MHz
Memory Clock
2000 MHz
1750 MHz
Memory
Memory Size
32GB
8GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
256bit
Bandwidth
512.0GB/s
448.0GB/s
Render Config
Compute Units
72
-
Shading Units
4608
6144
TMUs
288
192
ROPs
128
96
RT Cores
72
48
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
4 MB
4 MB
L3 Cache
128 MB
-
SM Count
-
48
Tensor Cores
-
192
Theoretical Performance
Pixel Rate
281.6 GPixel/s
148.3 GPixel/s
Texture Rate
633.6 GTexel/s
296.6 GTexel/s
FP16 (half)
40.55 TFLOPS
18.98 TFLOPS
FP32 (float)
20.28 TFLOPS
18.98 TFLOPS
FP64 (double)
1267 GFLOPS
296.6 GFLOPS
Graphics Processor
GPU Name
Navi 21
GA104
GPU Variant
Navi 21 XT(215-121000177)
GA104-775-A1
Architecture
RDNA 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
7 nm
8 nm
Transistors
26.8 billion
17.4 billion
Die Size
520 mm²
392 mm²
Board Design
TDP
300W
115W
Suggested PSU
700 W
-
Outputs
No outputs
No outputs
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.3
Shader Model
6.5
6.6
CUDA
-
8.6