Home GPU Comparison NVIDIA GeForce GTX 560 Ti vs ATI Radeon HD 4855

NVIDIA GeForce GTX 560 Ti vs ATI Radeon HD 4855

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 560 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 560 Ti 's Advantages
Released 1 years late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (128.3GB/s vs 115.2GB/s)
ATI Radeon HD 4855 's Advantages
256 additional rendering cores
Lower TDP (110W vs 170W)

Score

Benchmark

FP32 (float)
GeForce GTX 560 Ti +71%
1.263 TFLOPS
Radeon HD 4855
0.736 TFLOPS
VS

Graphics Card

Jan 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

-
-
-
-
-
-
1002 MHz
Memory Clock
900 MHz

Memory

1024MB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
128.3GB/s
Bandwidth
115.2GB/s

Render Config

-
Compute Units
8
8
SM Count
-
384
Shading Units
640
64
TMUs
32
32
ROPs
16
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

13.17 GPixel/s
Pixel Rate
9.200 GPixel/s
52.67 GTexel/s
Texture Rate
18.40 GTexel/s
-
-
-
1263 GFLOPS
FP32 (float)
736.0 GFLOPS
105.3 GFLOPS
FP64 (double)
147.2 GFLOPS

Board Design

170W
TDP
110W
450 W
Suggested PSU
300 W
2x DVI 1x mini-HDMI 1.3a
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
2x 6-pin
Power Connectors
1x 6-pin

Graphics Processor

GF114
GPU Name
RV770
GF114-400-A1
GPU Variant
RV770 PRO (215-0669065)
Fermi 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
1.95 billion
Transistors
0.956 billion
332 mm²
Die Size
256 mm²

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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