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GPU Comparison
AMD Radeon HD 6950 vs ATI Radeon HD 3470
AMD Radeon HD 6950 vs ATI Radeon HD 3470
VS
AMD Radeon HD 6950
ATI Radeon HD 3470
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6950 and 256MB VRAM Radeon HD 3470 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6950 's Advantages
Released 2 years and 11 months late
Larger VRAM bandwidth (160.0GB/s vs 15.20GB/s)
1368 additional rendering cores
ATI Radeon HD 3470 's Advantages
Lower TDP (30W vs 200W)
Score
Benchmark
FP32 (float)
Radeon HD 6950
+3420%
2.253 TFLOPS
Radeon HD 3470
0.064 TFLOPS
Radeon HD 6950
VS
Radeon HD 3470
Graphics Card
Dec 2010
Release Date
Jan 2008
Northern Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1250 MHz
Memory Clock
950 MHz
Memory
2GB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
64bit
160.0GB/s
Bandwidth
15.20GB/s
Render Config
-
SM Count
-
22
Compute Units
2
1408
Shading Units
40
88
TMUs
4
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
64 KB
Theoretical Performance
25.60 GPixel/s
Pixel Rate
3.200 GPixel/s
70.40 GTexel/s
Texture Rate
3.200 GTexel/s
-
FP16 (half)
-
2.253 TFLOPS
FP32 (float)
64.00 GFLOPS
563.2 GFLOPS
FP64 (double)
-
Graphics Processor
Cayman
GPU Name
RV620
Cayman PRO (215-0807019)
GPU Variant
RV620 PRO (215-0670006)
TeraScale 3
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
2.64 billion
Transistors
0.181 billion
389 mm²
Die Size
67 mm²
Board Design
200W
TDP
30W
550 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x VGA 1x S-Video
2x 6-pin
Power Connectors
None
Graphics Features
11.2 (11_0)
DirectX
10.1 (10_1)
4.4
OpenGL
3.3
1.2
OpenCL
N/A
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
4.1
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6
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8
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9
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