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GPU Comparison
AMD Radeon HD 7950 vs AMD Radeon Sky 900
AMD Radeon HD 7950 vs AMD Radeon Sky 900
VS
AMD Radeon HD 7950
AMD Radeon Sky 900
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 3GB VRAM Radeon Sky 900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7950 's Advantages
Lower TDP (200W vs 300W)
AMD Radeon Sky 900 's Advantages
Released 1 years and 2 months late
Boost Clock950MHz
Score
Benchmark
FP32 (float)
Radeon HD 7950
2.867 TFLOPS
Radeon Sky 900
+18%
3.405 TFLOPS
Radeon HD 7950
VS
Radeon Sky 900
Graphics Card
Jan 2012
Release Date
Mar 2013
Southern Islands
Generation
Radeon Sky
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
825 MHz
-
Boost Clock
950 MHz
1250 MHz
Memory Clock
1250 MHz
Memory
3GB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
384bit
240.0GB/s
Bandwidth
240.0GB/s
Render Config
-
SM Count
-
28
Compute Units
28
1792
Shading Units
1792
112
TMUs
112
32
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
768 KB
Theoretical Performance
25.60 GPixel/s
Pixel Rate
30.40 GPixel/s
89.60 GTexel/s
Texture Rate
106.4 GTexel/s
-
FP16 (half)
-
2.867 TFLOPS
FP32 (float)
3.405 TFLOPS
716.8 GFLOPS
FP64 (double)
851.2 GFLOPS
Graphics Processor
Tahiti
GPU Name
Tahiti
Tahiti PRO (215-0821056)
GPU Variant
Orthrus
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
4.313 billion
Transistors
4.313 billion
352 mm²
Die Size
352 mm²
Board Design
200W
TDP
300W
550 W
Suggested PSU
700 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x mini-DisplayPort 1.2
2x 6-pin
Power Connectors
2x 8-pin
Graphics Features
12 (11_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.2
OpenCL
1.2
1.2
Vulkan
1.2
-
CUDA
-
5.1
Shader Model
5.1
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