AMD Radeon Pro V620 vs AMD Radeon Instinct MI25
GPU · Specs Compare
Graphics Card
Release Date
Nov 2021
Jun 2017
Generation
Radeon Pro
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1825 MHz
1400 MHz
Boost Clock
2200 MHz
1500 MHz
Memory Clock
2000 MHz
852 MHz
Memory
Memory Size
32GB
16GB
Memory Type
GDDR6
HBM2
Memory Bus
256bit
2048bit
Bandwidth
512.0GB/s
436.2GB/s
Render Config
Compute Units
72
64
Shading Units
4608
4096
TMUs
288
256
ROPs
128
64
RT Cores
72
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
4 MB
L3 Cache
128 MB
—
Theoretical Performance
Pixel Rate
281.6 GPixel/s
96.00 GPixel/s
Texture Rate
633.6 GTexel/s
384.0 GTexel/s
FP16 (half)
40.55 TFLOPS
24.58 TFLOPS
FP32 (float)
20.28 TFLOPS
12.29 TFLOPS
FP64 (double)
1267 GFLOPS
768.0 GFLOPS
Graphics Processor
GPU Name
Navi 21
Vega 10
GPU Variant
Navi 21 XT(215-121000177)
Vega 10 XT GL(215-0894124)
Architecture
RDNA 2.0
GCN 5.0
Foundry
TSMC
GlobalFoundries
Process Size
7 nm
14 nm
Transistors
26.8 billion
12.5 billion
Die Size
520 mm²
495 mm²
Board Design
TDP
300W
300W
Suggested PSU
700 W
700 W
Outputs
No outputs
No outputs
Power Connectors
2x 8-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.2
Shader Model
6.5
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.