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GPU Comparison
AMD Radeon Sky 900 vs ATI Radeon HD 5970
AMD Radeon Sky 900 vs ATI Radeon HD 5970
VS
AMD Radeon Sky 900
ATI Radeon HD 5970
We compared two Desktop platform GPUs: 3GB VRAM Radeon Sky 900 and 1024MB VRAM ATI Radeon HD 5970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Sky 900 's Advantages
Released 3 years and 4 months late
Boost Clock950MHz
More VRAM (3GB vs 1GB)
Larger VRAM bandwidth (240.0GB/s vs 128.0GB/s)
192 additional rendering cores
ATI Radeon HD 5970 's Advantages
Lower TDP (294W vs 300W)
Score
Benchmark
FP32 (float)
Radeon Sky 900
+46%
3.405 TFLOPS
ATI Radeon HD 5970
2.32 TFLOPS
Radeon Sky 900
VS
ATI Radeon HD 5970
Graphics Card
Mar 2013
Release Date
Nov 2009
Radeon Sky
Generation
Evergreen
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
825 MHz
Base Clock
-
950 MHz
Boost Clock
-
1250 MHz
Memory Clock
1000 MHz
Memory
3GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
240.0GB/s
Bandwidth
128.0GB/s
Render Config
-
SM Count
-
28
Compute Units
20
1792
Shading Units
1600
112
TMUs
80
32
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
768 KB
L2 Cache
512 KB
Theoretical Performance
30.40 GPixel/s
Pixel Rate
23.20 GPixel/s
106.4 GTexel/s
Texture Rate
58.00 GTexel/s
-
FP16 (half)
-
3.405 TFLOPS
FP32 (float)
2.320 TFLOPS
851.2 GFLOPS
FP64 (double)
464.0 GFLOPS
Graphics Processor
Tahiti
GPU Name
Hemlock
Orthrus
GPU Variant
Hemlock XT (215-0735075)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
4.313 billion
Transistors
2.154 billion
352 mm²
Die Size
334 mm²
Board Design
300W
TDP
294W
700 W
Suggested PSU
600 W
1x DVI 1x mini-DisplayPort 1.2
Outputs
2x DVI 1x mini-DisplayPort 1.1
2x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
-
CUDA
-
5.1
Shader Model
5.0
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