AMD Radeon Pro V620 vs AMD Radeon HD 7870 GHz Edition
GPU · Specs Compare
Graphics Card
Release Date
Nov 2021
Mar 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
1200 MHz
Memory
Memory Size
32GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
512.0GB/s
153.6GB/s
Render Config
Compute Units
72
20
Shading Units
4608
1280
TMUs
288
80
ROPs
128
32
RT Cores
72
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
512 KB
L3 Cache
128 MB
—
Theoretical Performance
Pixel Rate
281.6 GPixel/s
32.00 GPixel/s
Texture Rate
633.6 GTexel/s
80.00 GTexel/s
FP16 (half)
40.55 TFLOPS
—
FP32 (float)
20.28 TFLOPS
2.560 TFLOPS
FP64 (double)
1267 GFLOPS
160.0 GFLOPS
Graphics Processor
GPU Name
Navi 21
Pitcairn
GPU Variant
Navi 21 XT(215-121000177)
Pitcairn XT(215-0828047)
Architecture
RDNA 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
26.8 billion
2.8 billion
Die Size
520 mm²
212 mm²
Board Design
TDP
300W
175W
Suggested PSU
700 W
450 W
Outputs
No outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
2x 8-pin
2x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.3
1.2
Shader Model
6.5
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.