AMD Radeon HD 7950 Mac Edition vs AMD Radeon RX Vega M GH
GPU · Specs Compare
Graphics Card
Release Date
Mar 2013
Feb 2018
Generation
Southern Islands
Vega
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
IGP
Clock Speeds
Memory Clock
1250 MHz
800 MHz
Base Clock
—
1063 MHz
Boost Clock
—
1190 MHz
Memory
Memory Size
3GB
4GB
Memory Type
GDDR5
HBM2
Memory Bus
384bit
1024bit
Bandwidth
240.0GB/s
204.8GB/s
Render Config
Compute Units
28
24
Shading Units
1792
1536
TMUs
112
96
ROPs
32
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
1024 KB
Theoretical Performance
Pixel Rate
25.60 GPixel/s
76.16 GPixel/s
Texture Rate
89.60 GTexel/s
114.2 GTexel/s
FP32 (float)
2.867 TFLOPS
3.656 TFLOPS
FP64 (double)
716.8 GFLOPS
228.5 GFLOPS
FP16 (half)
—
3.656 TFLOPS
Graphics Processor
GPU Name
Tahiti
Polaris 22
GPU Variant
Tahiti PRO(215-0821056)
VegaM XT(C7398773)
Architecture
GCN 1.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
4.313 billion
5 billion
Die Size
352 mm²
208 mm²
Board Design
TDP
200W
100W
Suggested PSU
550 W
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
—
Graphics Features
DirectX
12 (11_1)
12 (12_0)
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.