AMD Radeon HD 7870 XT vs AMD Radeon Pro V420
GPU · Specs Compare
Graphics Card
Release Date
Nov 2012
Unknown
Generation
Southern Islands
Radeon Pro Vega
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
925 MHz
800 MHz
Boost Clock
975 MHz
1700 MHz
Memory Clock
1500 MHz
800 MHz
Memory
Memory Size
2GB
32GB
Memory Type
GDDR5
HBM2
Memory Bus
256bit
4096bit
Bandwidth
192.0GB/s
819.2GB/s
Render Config
Compute Units
24
64
Shading Units
1536
4096
TMUs
96
256
ROPs
32
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
4 MB
Theoretical Performance
Pixel Rate
31.20 GPixel/s
108.8 GPixel/s
Texture Rate
93.60 GTexel/s
435.2 GTexel/s
FP32 (float)
2.995 TFLOPS
13.93 TFLOPS
FP64 (double)
748.8 GFLOPS
6.963 TFLOPS
FP16 (half)
—
27.85 TFLOPS
Graphics Processor
GPU Name
Tahiti
Vega 20
GPU Variant
Tahiti LE(215-0821122)
Vega 20 GLXT WS(215-0914026)
Architecture
GCN 1.0
GCN 5.1
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
4.313 billion
13.23 billion
Die Size
352 mm²
331 mm²
Board Design
TDP
185W
300W
Suggested PSU
450 W
700 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
6x mini-DisplayPort 1.4a
Power Connectors
2x 6-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.3
Shader Model
5.1
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.