NVIDIA GeForce RTX 4080 Max-Q vs AMD Radeon Pro V620
GPU · Specs Compare
Graphics Card
Release Date
Jan 2023
Nov 2021
Generation
GeForce 40 Mobile
Radeon Pro
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
795 MHz
1825 MHz
Boost Clock
1350 MHz
2200 MHz
Memory Clock
1750 MHz
2000 MHz
Memory
Memory Size
12GB
32GB
Memory Type
GDDR6
GDDR6
Memory Bus
192bit
256bit
Bandwidth
336.0GB/s
512.0GB/s
Render Config
SM Count
58
—
Shading Units
7424
4608
TMUs
232
288
ROPs
80
128
Tensor Cores
232
—
RT Cores
58
72
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
48 MB
4 MB
Compute Units
—
72
L3 Cache
—
128 MB
Theoretical Performance
Pixel Rate
108.0 GPixel/s
281.6 GPixel/s
Texture Rate
313.2 GTexel/s
633.6 GTexel/s
FP16 (half)
20.04 TFLOPS
40.55 TFLOPS
FP32 (float)
20.04 TFLOPS
20.28 TFLOPS
FP64 (double)
313.2 GFLOPS
1267 GFLOPS
Graphics Processor
GPU Name
AD104
Navi 21
GPU Variant
GN21-X9
Navi 21 XT(215-121000177)
Architecture
Ada Lovelace
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
4 nm
7 nm
Transistors
35.8 billion
26.8 billion
Die Size
295 mm²
520 mm²
Board Design
TDP
60W
300W
Outputs
Portable Device Dependent
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
3.0
2.1
Vulkan
1.3
1.3
CUDA
8.9
—
Shader Model
6.7
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.