Home GPU Comparison NVIDIA GeForce GTX 580 Rev. 2 vs ATI Radeon HD 4855

NVIDIA GeForce GTX 580 Rev. 2 vs ATI Radeon HD 4855

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 580 Rev. 2 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 580 Rev. 2 's Advantages
Released 1 years and 5 months late
More VRAM (1536GB vs 512GB)
Larger VRAM bandwidth (192.4GB/s vs 115.2GB/s)
ATI Radeon HD 4855 's Advantages
128 additional rendering cores
Lower TDP (110W vs 244W)

Score

Benchmark

FP32 (float)
GeForce GTX 580 Rev. 2 +114%
1.581 TFLOPS
Radeon HD 4855
0.736 TFLOPS
VS

Graphics Card

Jun 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

1536MB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
192.4GB/s
Bandwidth
115.2GB/s

Render Config

-
Compute Units
8
16
SM Count
-
512
Shading Units
640
64
TMUs
32
48
ROPs
16
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

24.70 GPixel/s
Pixel Rate
9.200 GPixel/s
49.41 GTexel/s
Texture Rate
18.40 GTexel/s
-
-
-
1.581 TFLOPS
FP32 (float)
736.0 GFLOPS
197.6 GFLOPS
FP64 (double)
147.2 GFLOPS

Board Design

244W
TDP
110W
550 W
Suggested PSU
300 W
2x DVI 1x mini-HDMI 1.3a
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin

Graphics Processor

GF110
GPU Name
RV770
GF110-380-A1
GPU Variant
RV770 PRO (215-0669065)
Fermi 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
3 billion
Transistors
0.956 billion
520 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
2.0
CUDA
-
5.1
Shader Model
4.1

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