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GPU Comparison
AMD Radeon HD 7970M vs AMD Radeon HD 6750M Mac Edition
AMD Radeon HD 7970M vs AMD Radeon HD 6750M Mac Edition
VS
AMD Radeon HD 7970M
AMD Radeon HD 6750M Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M and 512MB VRAM Radeon HD 6750M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7970M 's Advantages
Released 1 years late
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (153.6GB/s vs 50.82GB/s)
800 additional rendering cores
AMD Radeon HD 6750M Mac Edition 's Advantages
Lower TDP (35W vs 100W)
Score
Benchmark
FP32 (float)
Radeon HD 7970M
+279%
2.176 TFLOPS
Radeon HD 6750M Mac Edition
0.574 TFLOPS
Radeon HD 7970M
VS
Radeon HD 6750M Mac Edition
Graphics Card
Apr 2012
Release Date
Apr 2011
London
Generation
Vancouver
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-A (3.0)
Clock Speeds
-
-
-
-
-
-
1200 MHz
Memory Clock
794 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
153.6GB/s
Bandwidth
50.82GB/s
Render Config
20
Compute Units
6
-
-
-
1280
Shading Units
480
80
TMUs
24
32
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
27.20 GPixel/s
Pixel Rate
4.784 GPixel/s
68.00 GTexel/s
Texture Rate
14.35 GTexel/s
-
-
-
2.176 TFLOPS
FP32 (float)
574.1 GFLOPS
136.0 GFLOPS
FP64 (double)
-
Board Design
100W
TDP
35W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Wimbledon
GPU Name
Whistler
Wimbledon XT (216-0836036)
GPU Variant
Whistler PRO (216-0810005)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.8 billion
Transistors
0.716 billion
212 mm²
Die Size
104 mm²
Graphics Features
12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
5.0
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