AMD Radeon HD 7870 GHz Edition vs AMD Radeon Pro Vega 64X
GPU · Specs Compare
Graphics Card
Release Date
Mar 2012
Mar 2019
Generation
Southern Islands
Radeon Pro Mac
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1200 MHz
1000 MHz
Base Clock
—
1250 MHz
Boost Clock
—
1468 MHz
Memory
Memory Size
2GB
16GB
Memory Type
GDDR5
HBM2
Memory Bus
256bit
2048bit
Bandwidth
153.6GB/s
512.0GB/s
Render Config
Compute Units
20
64
Shading Units
1280
4096
TMUs
80
256
ROPs
32
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
4 MB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
93.95 GPixel/s
Texture Rate
80.00 GTexel/s
375.8 GTexel/s
FP32 (float)
2.560 TFLOPS
12.03 TFLOPS
FP64 (double)
160.0 GFLOPS
751.6 GFLOPS
FP16 (half)
—
24.05 TFLOPS
Graphics Processor
GPU Name
Pitcairn
Vega 10
GPU Variant
Pitcairn XT(215-0828047)
Vega 10 XT(215-0894200)
Architecture
GCN 1.0
GCN 5.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
2.8 billion
12.5 billion
Die Size
212 mm²
495 mm²
Board Design
TDP
175W
250W
Suggested PSU
450 W
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.2
Shader Model
5.1
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.