GeForce GTX 550 Ti vs Radeon Sky 900
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 550 Ti and 3GB VRAM Radeon Sky 900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 550 Ti Advantages
Lower TDP (116W vs 300W)
Radeon Sky 900 Advantages
Released 2 years late
Boost Clock950MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (240.0GB/s vs 98.50GB/s)
1600 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 550 Ti
691
Radeon Sky 900
+392%
3405
Graphics Card
Mar 2011
Release Date
Mar 2013
GeForce 500
Generation
Radeon Sky
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
825 MHz
-
Boost Clock
950 MHz
1026 MHz
Memory Clock
1250 MHz
Memory
1024MB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
384bit
98.50GB/s
Bandwidth
240.0GB/s
Render Config
-
Compute Units
28
4
SM Count
-
192
Shading Units
1792
32
TMUs
112
24
ROPs
32
64 KB (per SM)
L1 Cache
16 KB (per CU)
384 KB
L2 Cache
768 KB
Theoretical Performance
7.200 GPixel/s
Pixel Rate
30.40 GPixel/s
28.80 GTexel/s
Texture Rate
106.4 GTexel/s
691.2 GFLOPS
FP32 (float)
3.405 TFLOPS
57.60 GFLOPS
FP64 (double)
851.2 GFLOPS
Board Design
116W
TDP
300W
300 W
Suggested PSU
700 W
2x DVI
1x mini-HDMI 1.3a
1x mini-HDMI 1.3a
Outputs
1x DVI
1x mini-DisplayPort 1.2
1x mini-DisplayPort 1.2
1x 6-pin
Power Connectors
2x 8-pin
Graphics Processor
GF116
GPU Name
Tahiti
GF116-400-A1
GPU Variant
Orthrus
Fermi 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.17 billion
Transistors
4.313 billion
238 mm²
Die Size
352 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.1
OpenCL
1.2
N/A
Vulkan
1.2
2.1
CUDA
-
5.1
Shader Model
5.1