ATI Radeon HD 2900 PRO vs ATI Radeon HD 5770

VS

ATI Radeon HD 2900 PRO

ATI Radeon HD 5770

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 PRO and 1024MB VRAM Radeon HD 5770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5770 's Advantages

Released 1 years and 10 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (76.80GB/s vs 51.20GB/s)

480 additional rendering cores

Lower TDP (108W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 PRO

0.384 TFLOPS

Radeon HD 5770 +254%

1.36 TFLOPS

Radeon HD 2900 PRO

VS

Radeon HD 5770

Graphics Card

Dec 2007

Release Date

Oct 2009

Radeon R600

Generation

Evergreen

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1200 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

128bit

51.20GB/s

Bandwidth

76.80GB/s

Render Config

4

Compute Units

10

-

320

Shading Units

800

16

TMUs

40

16

ROPs

16

-

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

9.600 GPixel/s

Pixel Rate

13.60 GPixel/s

9.600 GTexel/s

Texture Rate

34.00 GTexel/s

-

384.0 GFLOPS

FP32 (float)

1360 GFLOPS

-

Board Design

200W

TDP

108W

550 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

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

1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

R600

GPU Name

Juniper

R600 PRO (215RGMDKA13FG)

GPU Variant

Juniper XT (215-0754013)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.72 billion

Transistors

1.04 billion

420 mm²

Die Size

166 mm²

Graphics Features

10.0 (10_0)

DirectX

11.2 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.0

Shader Model

5.0

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