AMD Radeon Pro 575 vs AMD Radeon HD 7970 X2
GPU · Specs Compare
Graphics Card
Release Date
Jun 2017
Aug 2012
Generation
Radeon Pro Mac
Southern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1695 MHz
1375 MHz
Memory
Memory Size
4GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
384bit
Bandwidth
217.0GB/s
264.0GB/s
Render Config
Compute Units
32
32
Shading Units
2048
2048
TMUs
128
128
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
768 KB
Theoretical Performance
Pixel Rate
35.07 GPixel/s
29.60 GPixel/s
Texture Rate
140.3 GTexel/s
118.4 GTexel/s
FP16 (half)
4.489 TFLOPS
—
FP32 (float)
4.489 TFLOPS
3.789 TFLOPS
FP64 (double)
280.6 GFLOPS
947.2 GFLOPS
Graphics Processor
GPU Name
Polaris 20
New Zealand
GPU Variant
Polaris 20 XL(215-0910052)
—
Architecture
GCN 4.0
GCN 1.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
5.7 billion
4.313 billion
Die Size
232 mm²
352 mm²
Board Design
TDP
150W
500W
Outputs
No outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
3x 8-pin
Suggested PSU
—
900 W
Graphics Features
DirectX
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.2
1.2
Shader Model
6.4
5.1
Benchmark
3DMark Time Spy
3,393
—
3DMark Time Spy Extreme
1,351
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.