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GPU Comparison
AMD Radeon HD 7970M vs AMD Radeon HD 6970M Mac Edition
AMD Radeon HD 7970M vs AMD Radeon HD 6970M Mac Edition
VS
AMD Radeon HD 7970M
AMD Radeon HD 6970M Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M and 2GB VRAM Radeon HD 6970M 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 8 months late
Larger VRAM bandwidth (153.6GB/s vs 115.2GB/s)
320 additional rendering cores
AMD Radeon HD 6970M Mac Edition 's Advantages
Lower TDP (75W vs 100W)
Score
Benchmark
FP32 (float)
Radeon HD 7970M
+66%
2.176 TFLOPS
Radeon HD 6970M Mac Edition
1.306 TFLOPS
Radeon HD 7970M
VS
Radeon HD 6970M Mac Edition
Graphics Card
Apr 2012
Release Date
Aug 2011
London
Generation
Vancouver
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1200 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
153.6GB/s
Bandwidth
115.2GB/s
Render Config
-
SM Count
-
20
Compute Units
12
1280
Shading Units
960
80
TMUs
48
32
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
512 KB
Theoretical Performance
27.20 GPixel/s
Pixel Rate
21.76 GPixel/s
68.00 GTexel/s
Texture Rate
32.64 GTexel/s
-
FP16 (half)
-
2.176 TFLOPS
FP32 (float)
1306 GFLOPS
136.0 GFLOPS
FP64 (double)
-
Graphics Processor
Wimbledon
GPU Name
Blackcomb
Wimbledon XT (216-0836036)
GPU Variant
Blackcomb XT (216-0811000)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.8 billion
Transistors
1.7 billion
212 mm²
Die Size
212 mm²
Board Design
100W
TDP
75W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
None
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
-
CUDA
-
5.1
Shader Model
5.0
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