AMD Radeon HD 7950 Mac Edition vs AMD Radeon RX 580 OEM
GPU · Specs Compare
Graphics Card
Release Date
Mar 2013
Jun 2016
Generation
Southern Islands
Polaris
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1250 MHz
2000 MHz
Base Clock
—
1120 MHz
Boost Clock
—
1266 MHz
Memory
Memory Size
3GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
240.0GB/s
256.0GB/s
Render Config
Compute Units
28
36
Shading Units
1792
2304
TMUs
112
144
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
2 MB
Theoretical Performance
Pixel Rate
25.60 GPixel/s
40.51 GPixel/s
Texture Rate
89.60 GTexel/s
182.3 GTexel/s
FP32 (float)
2.867 TFLOPS
5.834 TFLOPS
FP64 (double)
716.8 GFLOPS
364.6 GFLOPS
FP16 (half)
—
5.834 TFLOPS
Graphics Processor
GPU Name
Tahiti
Ellesmere
GPU Variant
Tahiti PRO(215-0821056)
Polaris 10 XT(215-0876184)
Architecture
GCN 1.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
4.313 billion
5.7 billion
Die Size
352 mm²
232 mm²
Board Design
TDP
200W
150W
Suggested PSU
550 W
450 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
2x 6-pin
1x 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.