AMD Radeon Pro V620 vs AMD Radeon HD 7970
GPU Specs Compare
Graphics Card
Release Date
Nov 2021
Jan 2012
Generation
Radeon Pro
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1825 MHz
-
Boost Clock
2200 MHz
-
Memory Clock
2000 MHz
1375 MHz
Memory
Memory Size
32GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
384bit
Bandwidth
512.0GB/s
264.0GB/s
Render Config
Compute Units
72
32
Shading Units
4608
2048
TMUs
288
128
ROPs
128
32
RT Cores
72
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
768 KB
L3 Cache
128 MB
-
Theoretical Performance
Pixel Rate
281.6 GPixel/s
29.60 GPixel/s
Texture Rate
633.6 GTexel/s
118.4 GTexel/s
FP16 (half)
40.55 TFLOPS
-
FP32 (float)
20.28 TFLOPS
3.789 TFLOPS
FP64 (double)
1267 GFLOPS
947.2 GFLOPS
Graphics Processor
GPU Name
Navi 21
Tahiti
GPU Variant
Navi 21 XT(215-121000177)
Tahiti XT(215-0821060)
Architecture
RDNA 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
26.8 billion
4.313 billion
Die Size
520 mm²
352 mm²
Board Design
TDP
300W
250W
Suggested PSU
700 W
600 W
Outputs
No outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
2x 8-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
2.1 (1.2)
Vulkan
1.3
1.2.170
Shader Model
6.5
6.5 (5.1)
📊 Benchmark
3DMark Time Spy
-
2,310
3DMark Time Spy Extreme
-
1,209