NVIDIA GeForce RTX 3080 vs AMD Radeon Pro V620
GPU · Specs Compare
Graphics Card
Release Date
Sep 2020
Nov 2021
Generation
GeForce 30
Radeon Pro
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1440 MHz
1825 MHz
Boost Clock
1710 MHz
2200 MHz
Memory Clock
1188 MHz
2000 MHz
Memory
Memory Size
10GB
32GB
Memory Type
GDDR6X
GDDR6
Memory Bus
320bit
256bit
Bandwidth
760.3GB/s
512.0GB/s
Render Config
SM Count
68
—
Shading Units
8704
4608
TMUs
272
288
ROPs
96
128
Tensor Cores
272
—
RT Cores
68
72
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
5 MB
4 MB
Compute Units
—
72
L3 Cache
—
128 MB
Theoretical Performance
Pixel Rate
164.2 GPixel/s
281.6 GPixel/s
Texture Rate
465.1 GTexel/s
633.6 GTexel/s
FP16 (half)
29.77 TFLOPS
40.55 TFLOPS
FP32 (float)
29.77 TFLOPS
20.28 TFLOPS
FP64 (double)
465.1 GFLOPS
1267 GFLOPS
Graphics Processor
GPU Name
GA102
Navi 21
GPU Variant
GA102-200-KD-A1
Navi 21 XT(215-121000177)
Architecture
Ampere
RDNA 2.0
Foundry
Samsung
TSMC
Process Size
8 nm
7 nm
Transistors
28.3 billion
26.8 billion
Die Size
628 mm²
520 mm²
Board Design
TDP
320W
300W
Suggested PSU
700 W
700 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
No outputs
Power Connectors
1x 12-pin
2x 8-pin
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
6.6
6.5
Benchmark
3DMark Time Spy
17,662
—
3DMark Time Spy Extreme
8,879
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.