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GPU Comparison
NVIDIA GeForce GTX 550 Ti vs ATI Radeon HD 4855
NVIDIA GeForce GTX 550 Ti vs ATI Radeon HD 4855
VS
NVIDIA GeForce GTX 550 Ti
ATI Radeon HD 4855
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 550 Ti and 512MB VRAM Radeon HD 4855 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 550 Ti 's Advantages
Released 1 years and 2 months late
More VRAM (1024GB vs 512GB)
ATI Radeon HD 4855 's Advantages
Larger VRAM bandwidth (115.2GB/s vs 98.50GB/s)
448 additional rendering cores
Lower TDP (110W vs 116W)
Score
Benchmark
FP32 (float)
GeForce GTX 550 Ti
0.691 TFLOPS
Radeon HD 4855
+6%
0.736 TFLOPS
GeForce GTX 550 Ti
VS
Radeon HD 4855
Graphics Card
Mar 2011
Release Date
Jan 2010
GeForce 500
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1026 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
256bit
98.50GB/s
Bandwidth
115.2GB/s
Render Config
4
SM Count
-
-
Compute Units
8
192
Shading Units
640
32
TMUs
32
24
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
384 KB
L2 Cache
256 KB
Theoretical Performance
7.200 GPixel/s
Pixel Rate
9.200 GPixel/s
28.80 GTexel/s
Texture Rate
18.40 GTexel/s
-
FP16 (half)
-
691.2 GFLOPS
FP32 (float)
736.0 GFLOPS
57.60 GFLOPS
FP64 (double)
147.2 GFLOPS
Graphics Processor
GF116
GPU Name
RV770
GF116-400-A1
GPU Variant
RV770 PRO (215-0669065)
Fermi 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
1.17 billion
Transistors
0.956 billion
238 mm²
Die Size
256 mm²
Board Design
116W
TDP
110W
300 W
Suggested PSU
300 W
2x DVI 1x mini-HDMI 1.3a
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
1x 6-pin
Power Connectors
1x 6-pin
Graphics Features
12 (11_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
2.1
CUDA
-
5.1
Shader Model
4.1
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