AMD Radeon HD 6870 vs NVIDIA GeForce GTX 580 Rev. 2

VS

AMD Radeon HD 6870 NVIDIA GeForce GTX 580 Rev. 2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 and 1536MB VRAM GeForce GTX 580 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 's Advantages

608 additional rendering cores

Lower TDP (151W vs 244W)

NVIDIA GeForce GTX 580 Rev. 2 's Advantages

Released 8 months late

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (192.4GB/s vs 134.4GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6870 +27%

2.016 TFLOPS

GeForce GTX 580 Rev. 2

1.581 TFLOPS

Radeon HD 6870

VS

GeForce GTX 580 Rev. 2

Graphics Card

Oct 2010

Release Date

Jun 2011

Northern Islands

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

1002 MHz

Memory

1024MB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

134.4GB/s

Bandwidth

192.4GB/s

Render Config

-

SM Count

16

14

Compute Units

-

1120

Shading Units

512

56

TMUs

64

32

ROPs

48

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

768 KB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

24.70 GPixel/s

50.40 GTexel/s

Texture Rate

49.41 GTexel/s

-

FP16 (half)

-

2.016 TFLOPS

FP32 (float)

1.581 TFLOPS

-

FP64 (double)

197.6 GFLOPS

Graphics Processor

Barts

GPU Name

GF110

Barts XT (215-0798000)

GPU Variant

GF110-380-A1

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

3 billion

255 mm²

Die Size

520 mm²

Board Design

151W

TDP

244W

450 W

Suggested PSU

550 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.0

5.0

Shader Model

5.1

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