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GPU Comparison
AMD Radeon HD 7770 GHz Edition vs ATI Radeon HD 3470
AMD Radeon HD 7770 GHz Edition vs ATI Radeon HD 3470
VS
AMD Radeon HD 7770 GHz Edition
ATI Radeon HD 3470
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7770 GHz Edition 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 7770 GHz Edition 's Advantages
Released 4 years and 1 months late
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (72.00GB/s vs 15.20GB/s)
600 additional rendering cores
ATI Radeon HD 3470 's Advantages
Lower TDP (30W vs 80W)
Score
Benchmark
FP32 (float)
Radeon HD 7770 GHz Edition
+1900%
1.28 TFLOPS
Radeon HD 3470
0.064 TFLOPS
Radeon HD 7770 GHz Edition
VS
Radeon HD 3470
Graphics Card
Feb 2012
Release Date
Jan 2008
Southern Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1125 MHz
Memory Clock
950 MHz
Memory
1024MB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
64bit
72.00GB/s
Bandwidth
15.20GB/s
Render Config
-
SM Count
-
10
Compute Units
2
640
Shading Units
40
40
TMUs
4
16
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
64 KB
Theoretical Performance
16.00 GPixel/s
Pixel Rate
3.200 GPixel/s
40.00 GTexel/s
Texture Rate
3.200 GTexel/s
-
FP16 (half)
-
1280 GFLOPS
FP32 (float)
64.00 GFLOPS
80.00 GFLOPS
FP64 (double)
-
Graphics Processor
Cape Verde
GPU Name
RV620
Cape Verde XT
GPU Variant
RV620 PRO (215-0670006)
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
1.5 billion
Transistors
0.181 billion
123 mm²
Die Size
67 mm²
Board Design
80W
TDP
30W
250 W
Suggested PSU
200 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x VGA 1x S-Video
1x 6-pin
Power Connectors
None
Graphics Features
12 (11_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.2
OpenCL
N/A
1.2
Vulkan
N/A
-
CUDA
-
5.1
Shader Model
4.1
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8
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