AMD Radeon HD 7950 Mac Edition vs AMD Radeon RX 550X Mobile
GPU · Specs Compare
Graphics Card
Release Date
Mar 2013
Apr 2018
Generation
Southern Islands
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x8
Clock Speeds
Memory Clock
1250 MHz
1500 MHz
Base Clock
—
1100 MHz
Boost Clock
—
1176 MHz
Memory
Memory Size
3GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
64bit
Bandwidth
240.0GB/s
48.00GB/s
Render Config
Compute Units
28
10
Shading Units
1792
640
TMUs
112
40
ROPs
32
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
512 KB
Theoretical Performance
Pixel Rate
25.60 GPixel/s
18.82 GPixel/s
Texture Rate
89.60 GTexel/s
47.04 GTexel/s
FP32 (float)
2.867 TFLOPS
1.505 TFLOPS
FP64 (double)
716.8 GFLOPS
94.08 GFLOPS
FP16 (half)
—
1.505 TFLOPS
Graphics Processor
GPU Name
Tahiti
Polaris 23
GPU Variant
Tahiti PRO(215-0821056)
Polaris 23 MXT
Architecture
GCN 1.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
4.313 billion
2.2 billion
Die Size
352 mm²
103 mm²
Board Design
TDP
200W
50W
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_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.