AMD Radeon R9 270 vs AMD Radeon HD 7950M
GPU Specs Compare
Graphics Card
Release Date
Nov 2013
Apr 2012
Generation
Volcanic Islands
London
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
900 MHz
-
Boost Clock
925 MHz
-
Memory Clock
1400 MHz
1000 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
179.2GB/s
128.0GB/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
29.60 GPixel/s
22.40 GPixel/s
Texture Rate
74.00 GTexel/s
56.00 GTexel/s
FP32 (float)
2.368 TFLOPS
1.792 TFLOPS
FP64 (double)
148.0 GFLOPS
-
Graphics Processor
GPU Name
Curacao
Wimbledon
GPU Variant
Curacao PRO(215-0848000)
Wimbledon PRO
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
150W
75W
Suggested PSU
450 W
-
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
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
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