ATI Radeon HD 5870 vs AMD Radeon Sky 500

VS

ATI Radeon HD 5870

AMD Radeon Sky 500

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5870 and 4GB VRAM Radeon Sky 500 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5870 's Advantages

320 additional rendering cores

AMD Radeon Sky 500 's Advantages

Released 3 years and 6 months late

More VRAM (4GB vs 1024GB)

Lower TDP (150W vs 188W)

Score

Benchmark

FP32 (float)

Radeon HD 5870 +11%

2.72 TFLOPS

Radeon Sky 500

2.432 TFLOPS

Radeon HD 5870

VS

Radeon Sky 500

Graphics Card

Sep 2009

Release Date

Mar 2013

Evergreen

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

153.6GB/s

Render Config

20

Compute Units

20

-

1600

Shading Units

1280

80

TMUs

80

32

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

30.40 GPixel/s

68.00 GTexel/s

Texture Rate

76.00 GTexel/s

-

2.720 TFLOPS

FP32 (float)

2.432 TFLOPS

544.0 GFLOPS

FP64 (double)

152.0 GFLOPS

Board Design

188W

TDP

150W

450 W

Suggested PSU

450 W

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

Outputs

1x DisplayPort 1.2

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Cypress

GPU Name

Pitcairn

Cypress XT (215-0735033)

GPU Variant

Pitcairn XT GL (215-0828073)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.154 billion

Transistors

2.8 billion

334 mm²

Die Size

212 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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