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GPU Comparison
AMD Radeon HD 6970M Mac Edition vs AMD Radeon HD 8670A
AMD Radeon HD 6970M Mac Edition vs AMD Radeon HD 8670A
VS
AMD Radeon HD 6970M Mac Edition
AMD Radeon HD 8670A
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6970M Mac Edition and 1024MB VRAM Radeon HD 8670A 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 16.00GB/s)
576 additional rendering cores
AMD Radeon HD 8670A 's Advantages
Released 1 years and 6 months late
Lower TDP (45W vs 75W)
Score
Benchmark
FP32 (float)
Radeon HD 6970M Mac Edition
+183%
1.306 TFLOPS
Radeon HD 8670A
0.461 TFLOPS
Radeon HD 6970M Mac Edition
VS
Radeon HD 8670A
Graphics Card
Aug 2011
Release Date
Feb 2013
Vancouver
Generation
All-In-One
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-A (3.0)
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
900 MHz
Memory Clock
1000 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
115.2GB/s
Bandwidth
16.00GB/s
Render Config
-
SM Count
-
12
Compute Units
6
960
Shading Units
384
48
TMUs
24
32
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
128 KB
Theoretical Performance
21.76 GPixel/s
Pixel Rate
4.800 GPixel/s
32.64 GTexel/s
Texture Rate
14.40 GTexel/s
-
FP16 (half)
-
1306 GFLOPS
FP32 (float)
460.8 GFLOPS
-
FP64 (double)
28.80 GFLOPS
Graphics Processor
Blackcomb
GPU Name
Mars
Blackcomb XT (216-0811000)
GPU Variant
Mars XT
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.7 billion
Transistors
0.95 billion
212 mm²
Die Size
77 mm²
Board Design
75W
TDP
45W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Features
11.2 (11_0)
DirectX
12 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
1.2
N/A
Vulkan
1.2
-
CUDA
-
5.0
Shader Model
5.1
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