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GPU Comparison
AMD Radeon HD 6970 vs AMD Radeon HD 8670 OEM
AMD Radeon HD 6970 vs AMD Radeon HD 8670 OEM
VS
AMD Radeon HD 6970
AMD Radeon HD 8670 OEM
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 and 2GB VRAM Radeon HD 8670 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6970 's Advantages
Larger VRAM bandwidth (176.0GB/s vs 73.60GB/s)
1152 additional rendering cores
AMD Radeon HD 8670 OEM 's Advantages
Released 2 years and 1 months late
Boost Clock1050MHz
Lower TDP (75W vs 250W)
Score
Benchmark
FP32 (float)
Radeon HD 6970
+235%
2.703 TFLOPS
Radeon HD 8670 OEM
0.806 TFLOPS
Radeon HD 6970
VS
Radeon HD 8670 OEM
Graphics Card
Dec 2010
Release Date
Jan 2013
Northern Islands
Generation
Sea Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
1000 MHz
-
Boost Clock
1050 MHz
1375 MHz
Memory Clock
1150 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
176.0GB/s
Bandwidth
73.60GB/s
Render Config
-
SM Count
-
24
Compute Units
6
1536
Shading Units
384
96
TMUs
24
32
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
28.16 GPixel/s
Pixel Rate
8.400 GPixel/s
84.48 GTexel/s
Texture Rate
25.20 GTexel/s
-
FP16 (half)
-
2.703 TFLOPS
FP32 (float)
806.4 GFLOPS
675.8 GFLOPS
FP64 (double)
50.40 GFLOPS
Graphics Processor
Cayman
GPU Name
Oland
Cayman XT (215-0807007)
GPU Variant
Oland XT (215-0837000)
TeraScale 3
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
2.64 billion
Transistors
0.95 billion
389 mm²
Die Size
77 mm²
Board Design
250W
TDP
75W
600 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 1x VGA
1x 6-pin + 1x 8-pin
Power Connectors
None
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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