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GPU Comparison
AMD Radeon HD 6970M Mac Edition vs AMD Radeon HD 7670M Rebrand
AMD Radeon HD 6970M Mac Edition vs AMD Radeon HD 7670M Rebrand
VS
AMD Radeon HD 6970M Mac Edition
AMD Radeon HD 7670M Rebrand
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6970M Mac Edition and 1024MB VRAM Radeon HD 7670M Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6970M Mac Edition 's Advantages
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (115.2GB/s vs 28.80GB/s)
480 additional rendering cores
AMD Radeon HD 7670M Rebrand 's Advantages
Released 11 months late
Lower TDP (20W vs 75W)
Score
Benchmark
FP32 (float)
Radeon HD 6970M Mac Edition
+126%
1.306 TFLOPS
Radeon HD 7670M Rebrand
0.576 TFLOPS
Radeon HD 6970M Mac Edition
VS
Radeon HD 7670M Rebrand
Graphics Card
Aug 2011
Release Date
Jul 2012
Vancouver
Generation
London
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
900 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
128bit
115.2GB/s
Bandwidth
28.80GB/s
Render Config
-
SM Count
-
12
Compute Units
6
960
Shading Units
480
48
TMUs
24
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
21.76 GPixel/s
Pixel Rate
9.600 GPixel/s
32.64 GTexel/s
Texture Rate
14.40 GTexel/s
-
FP16 (half)
-
1306 GFLOPS
FP32 (float)
576.0 GFLOPS
-
FP64 (double)
-
Graphics Processor
Blackcomb
GPU Name
Whistler
Blackcomb XT (216-0811000)
GPU Variant
Whistler XT (216-0810001)
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.7 billion
Transistors
0.716 billion
212 mm²
Die Size
104 mm²
Board Design
75W
TDP
20W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Features
11.2 (11_0)
DirectX
11.2 (11_0)
4.4
OpenGL
4.4
1.2
OpenCL
1.2
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
5.0
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