AMD Radeon HD 7950M vs AMD Radeon HD 7790
GPU · Specs Compare
Graphics Card
Release Date
Apr 2012
Mar 2013
Generation
London
Southern Islands
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Memory Clock
1000 MHz
1500 MHz
Memory
Memory Size
2GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
128.0GB/s
96.00GB/s
Render Config
Compute Units
20
14
Shading Units
1280
896
TMUs
80
56
ROPs
32
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
256 KB
Theoretical Performance
Pixel Rate
22.40 GPixel/s
16.00 GPixel/s
Texture Rate
56.00 GTexel/s
56.00 GTexel/s
FP32 (float)
1.792 TFLOPS
1.792 TFLOPS
FP64 (double)
—
112.0 GFLOPS
Graphics Processor
GPU Name
Wimbledon
Bonaire
GPU Variant
Wimbledon PRO
Bonaire XT(215-0839039)
Architecture
GCN 1.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
2.08 billion
Die Size
212 mm²
160 mm²
Board Design
TDP
75W
85W
Outputs
No outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Suggested PSU
—
250 W
Power Connectors
—
1x 6-pin
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
1.2
2.0
Vulkan
1.2
1.2
Shader Model
5.1
6.3
Benchmark
3DMark Time Spy
—
1,307
3DMark Time Spy Extreme
—
409
▲ Specs Compare
Data sourced from official specifications and benchmark tests.