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GPU Comparison
AMD Radeon HD 6970 vs AMD Radeon HD 7770 GHz Edition
AMD Radeon HD 6970 vs AMD Radeon HD 7770 GHz Edition
VS
AMD Radeon HD 6970
AMD Radeon HD 7770 GHz Edition
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 and 1024MB VRAM Radeon HD 7770 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6970 's Advantages
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (176.0GB/s vs 72.00GB/s)
896 additional rendering cores
AMD Radeon HD 7770 GHz Edition 's Advantages
Released 1 years and 2 months late
Lower TDP (80W vs 250W)
Score
Benchmark
FP32 (float)
Radeon HD 6970
+111%
2.703 TFLOPS
Radeon HD 7770 GHz Edition
1.28 TFLOPS
Radeon HD 6970
VS
Radeon HD 7770 GHz Edition
Graphics Card
Dec 2010
Release Date
Feb 2012
Northern Islands
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1375 MHz
Memory Clock
1125 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
176.0GB/s
Bandwidth
72.00GB/s
Render Config
-
SM Count
-
24
Compute Units
10
1536
Shading Units
640
96
TMUs
40
32
ROPs
16
-
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
16.00 GPixel/s
84.48 GTexel/s
Texture Rate
40.00 GTexel/s
-
FP16 (half)
-
2.703 TFLOPS
FP32 (float)
1280 GFLOPS
675.8 GFLOPS
FP64 (double)
80.00 GFLOPS
Graphics Processor
Cayman
GPU Name
Cape Verde
Cayman XT (215-0807007)
GPU Variant
Cape Verde XT
TeraScale 3
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
2.64 billion
Transistors
1.5 billion
389 mm²
Die Size
123 mm²
Board Design
250W
TDP
80W
600 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin
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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