NVIDIA RTX A4 Mobile vs AMD Radeon Pro V620
GPU · Specs Compare
Graphics Card
Release Date
Apr 2021
Nov 2021
Generation
Quadro Ampere-M
Radeon Pro
Type
Professional
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
1297 MHz
1825 MHz
Boost Clock
1770 MHz
2200 MHz
Memory Clock
1750 MHz
2000 MHz
Memory
Memory Size
4GB
32GB
Memory Type
GDDR6
GDDR6
Memory Bus
128bit
256bit
Bandwidth
224.0GB/s
512.0GB/s
Render Config
SM Count
16
—
Shading Units
2048
4608
TMUs
64
288
ROPs
32
128
Tensor Cores
64
—
RT Cores
16
72
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
2 MB
4 MB
Compute Units
—
72
L3 Cache
—
128 MB
Theoretical Performance
Pixel Rate
56.64 GPixel/s
281.6 GPixel/s
Texture Rate
113.3 GTexel/s
633.6 GTexel/s
FP16 (half)
7.250 TFLOPS
40.55 TFLOPS
FP32 (float)
7.250 TFLOPS
20.28 TFLOPS
FP64 (double)
113.3 GFLOPS
1267 GFLOPS
Graphics Processor
GPU Name
GA107
Navi 21
Architecture
Ampere
RDNA 2.0
Foundry
Samsung
TSMC
Process Size
8 nm
7 nm
Transistors
8.7 billion
26.8 billion
Die Size
200 mm²
520 mm²
GPU Variant
—
Navi 21 XT(215-121000177)
Board Design
TDP
Unknown
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
8.6
—
Shader Model
6.7
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.