AMD Radeon Pro V620 vs AMD Radeon R9 M385
GPU Specs Compare
Graphics Card
Release Date
Nov 2021
May 2015
Generation
Radeon Pro
Gem System
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1825 MHz
900 MHz
Boost Clock
2200 MHz
1000 MHz
Memory Clock
2000 MHz
1200 MHz
Memory
Memory Size
32GB
4GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
128bit
Bandwidth
512.0GB/s
76.80GB/s
Render Config
Compute Units
72
14
Shading Units
4608
896
TMUs
288
56
ROPs
128
16
RT Cores
72
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
256 KB
L3 Cache
128 MB
-
Theoretical Performance
Pixel Rate
281.6 GPixel/s
16.00 GPixel/s
Texture Rate
633.6 GTexel/s
56.00 GTexel/s
FP16 (half)
40.55 TFLOPS
-
FP32 (float)
20.28 TFLOPS
1.792 TFLOPS
FP64 (double)
1267 GFLOPS
112.0 GFLOPS
Graphics Processor
GPU Name
Navi 21
Strato
GPU Variant
Navi 21 XT(215-121000177)
Strato XT
Architecture
RDNA 2.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
26.8 billion
2.08 billion
Die Size
520 mm²
160 mm²
Board Design
TDP
300W
Unknown
Suggested PSU
700 W
-
Outputs
No outputs
Portable Device Dependent
Power Connectors
2x 8-pin
-
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.2.170
Shader Model
6.5
6.5