ATI Radeon HD 5870 Eyefinity 6 vs AMD Radeon Sky 900

VS

ATI Radeon HD 5870 Eyefinity 6

AMD Radeon Sky 900

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 5870 Eyefinity 6 and 3GB VRAM Radeon Sky 900 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

Lower TDP (228W vs 300W)

AMD Radeon Sky 900 's Advantages

Released 3 years late

Boost Clock950MHz

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (240.0GB/s vs 153.6GB/s)

192 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5870 Eyefinity 6

2.72 TFLOPS

Radeon Sky 900 +25%

3.405 TFLOPS

Radeon HD 5870 Eyefinity 6

VS

Radeon Sky 900

Graphics Card

Mar 2010

Release Date

Mar 2013

Evergreen

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

825 MHz

-

Boost Clock

950 MHz

1200 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

153.6GB/s

Bandwidth

240.0GB/s

Render Config

20

Compute Units

28

-

1600

Shading Units

1792

80

TMUs

112

32

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

768 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

30.40 GPixel/s

68.00 GTexel/s

Texture Rate

106.4 GTexel/s

-

2.720 TFLOPS

FP32 (float)

3.405 TFLOPS

544.0 GFLOPS

FP64 (double)

851.2 GFLOPS

Board Design

228W

TDP

300W

550 W

Suggested PSU

700 W

6x mini-DisplayPort 1.1

Outputs

1x DVI 1x mini-DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Cypress

GPU Name

Tahiti

Cypress XT (215-0735033)

GPU Variant

Orthrus

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.154 billion

Transistors

4.313 billion

334 mm²

Die Size

352 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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