ATI Radeon HD 5870 Eyefinity 6 vs ATI Radeon HD 3870 X2

VS

ATI Radeon HD 5870 Eyefinity 6

ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 5870 Eyefinity 6 and 512MB VRAM Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5870 Eyefinity 6 's Advantages

Released 2 years and 2 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 57.66GB/s)

1280 additional rendering cores

ATI Radeon HD 3870 X2 's Advantages

Lower TDP (165W vs 228W)

Score

Benchmark

FP32 (float)

Radeon HD 5870 Eyefinity 6 +415%

2.72 TFLOPS

Radeon HD 3870 X2

0.528 TFLOPS

Radeon HD 5870 Eyefinity 6

VS

Radeon HD 3870 X2

Graphics Card

Mar 2010

Release Date

Jan 2008

Evergreen

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

901 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

57.66GB/s

Render Config

20

Compute Units

4

-

1600

Shading Units

320

80

TMUs

16

32

ROPs

16

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

13.20 GPixel/s

68.00 GTexel/s

Texture Rate

13.20 GTexel/s

-

2.720 TFLOPS

FP32 (float)

528.0 GFLOPS

544.0 GFLOPS

FP64 (double)

105.6 GFLOPS

Board Design

228W

TDP

165W

550 W

Suggested PSU

450 W

6x mini-DisplayPort 1.1

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Cypress

GPU Name

R680

Cypress XT (215-0735033)

GPU Variant

R680 XT (215-0708017)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

2.154 billion

Transistors

0.666 billion

334 mm²

Die Size

192 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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