NVIDIA GeForce GTX 580 Rev. 2 vs AMD Radeon R9 255 OEM

VS

NVIDIA GeForce GTX 580 Rev. 2

AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 580 Rev. 2 and 2GB VRAM Radeon R9 255 OEM 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

Larger VRAM bandwidth (192.4GB/s vs 73.60GB/s)

AMD Radeon R9 255 OEM 's Advantages

Released 2 years and 6 months late

Boost Clock930MHz

More VRAM (2GB vs 1536GB)

Lower TDP (65W vs 244W)

Score

Benchmark

FP32 (float)

GeForce GTX 580 Rev. 2 +66%

1.581 TFLOPS

Radeon R9 255 OEM

0.952 TFLOPS

GeForce GTX 580 Rev. 2

VS

Radeon R9 255 OEM

Graphics Card

Jun 2011

Release Date

Dec 2013

GeForce 500

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

930 MHz

1002 MHz

Memory Clock

1150 MHz

Memory

1536MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

192.4GB/s

Bandwidth

73.60GB/s

Render Config

-

Compute Units

8

16

SM Count

-

512

Shading Units

512

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

14.88 GPixel/s

49.41 GTexel/s

Texture Rate

29.76 GTexel/s

-

1.581 TFLOPS

FP32 (float)

952.3 GFLOPS

197.6 GFLOPS

FP64 (double)

59.52 GFLOPS

Board Design

244W

TDP

65W

550 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 1.3a

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

GF110

GPU Name

Cape Verde

GF110-380-A1

GPU Variant

Cape Verde PRX

Fermi 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

3 billion

Transistors

1.5 billion

520 mm²

Die Size

123 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

2.0

CUDA

-

5.1

Shader Model

5.1

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