AMD Radeon Sky 500 vs ATI Radeon HD 2900 PRO

VS

AMD Radeon Sky 500

ATI Radeon HD 2900 PRO

We compared two Desktop platform GPUs: 4GB VRAM Radeon Sky 500 and 512MB VRAM Radeon HD 2900 PRO to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 500 's Advantages

Released 5 years and 3 months late

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 51.20GB/s)

960 additional rendering cores

Lower TDP (150W vs 200W)

Score

Benchmark

FP32 (float)

Radeon Sky 500 +533%

2.432 TFLOPS

Radeon HD 2900 PRO

0.384 TFLOPS

Radeon Sky 500

VS

Radeon HD 2900 PRO

Graphics Card

Mar 2013

Release Date

Dec 2007

Radeon Sky

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

51.20GB/s

Render Config

20

Compute Units

4

-

1280

Shading Units

320

80

TMUs

16

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

128 KB

-

Theoretical Performance

30.40 GPixel/s

Pixel Rate

9.600 GPixel/s

76.00 GTexel/s

Texture Rate

9.600 GTexel/s

-

2.432 TFLOPS

FP32 (float)

384.0 GFLOPS

152.0 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

200W

450 W

Suggested PSU

550 W

1x DisplayPort 1.2

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Pitcairn

GPU Name

R600

Pitcairn XT GL (215-0828073)

GPU Variant

R600 PRO (215RGMDKA13FG)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

2.8 billion

Transistors

0.72 billion

212 mm²

Die Size

420 mm²

Graphics Features

12 (11_1)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.0

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