AMD Radeon HD 8950 OEM vs AMD Radeon Pro Vega 64X
GPU · Specs Compare
Graphics Card
Release Date
Jan 2013
Mar 2019
Generation
Sea Islands
Radeon Pro Mac
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
850 MHz
1250 MHz
Boost Clock
925 MHz
1468 MHz
Memory Clock
1250 MHz
1000 MHz
Memory
Memory Size
3GB
16GB
Memory Type
GDDR5
HBM2
Memory Bus
384bit
2048bit
Bandwidth
240.0GB/s
512.0GB/s
Render Config
Compute Units
28
64
Shading Units
1792
4096
TMUs
112
256
ROPs
32
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
4 MB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
93.95 GPixel/s
Texture Rate
103.6 GTexel/s
375.8 GTexel/s
FP32 (float)
3.315 TFLOPS
12.03 TFLOPS
FP64 (double)
828.8 GFLOPS
751.6 GFLOPS
FP16 (half)
—
24.05 TFLOPS
Graphics Processor
GPU Name
Tahiti
Vega 10
GPU Variant
Tahiti PRO(215-0821056)
Vega 10 XT(215-0894200)
Architecture
GCN 1.0
GCN 5.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
4.313 billion
12.5 billion
Die Size
352 mm²
495 mm²
Board Design
TDP
200W
250W
Suggested PSU
550 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.