AMD Radeon HD 7950M vs AMD Radeon R9 270

GPU · Specs Compare

Products
GPU AMD Radeon HD 7950M AMD · 2012-04
GPU AMD Radeon R9 270 AMD · 2013-11
Graphics Card
Release Date
Apr 2012
Nov 2013
Generation
London
Volcanic Islands
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Memory Clock
1000 MHz
1400 MHz
Base Clock
—
900 MHz
Boost Clock
—
925 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
128.0GB/s
179.2GB/s
Render Config
Compute Units
20
20
Shading Units
1280
1280
TMUs
80
80
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
22.40 GPixel/s
29.60 GPixel/s
Texture Rate
56.00 GTexel/s
74.00 GTexel/s
FP32 (float)
1.792 TFLOPS
2.368 TFLOPS
FP64 (double)
—
148.0 GFLOPS
Graphics Processor
GPU Name
Wimbledon
Curacao
GPU Variant
Wimbledon PRO
Curacao PRO(215-0848000)
Architecture
GCN 1.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
2.8 billion
Die Size
212 mm²
212 mm²
Board Design
TDP
75W
150W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Suggested PSU
—
450 W
Power Connectors
—
1x 6-pin
Graphics Features
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
1.2
1.2
Vulkan
1.2
1.2
Shader Model
5.1
5.1
Benchmark
3DMark Time Spy
—
1,603
▲ Specs Compare Data sourced from official specifications and benchmark tests.