ATI Radeon HD 2900 PRO vs AMD Radeon HD 6450 OEM

VS

ATI Radeon HD 2900 PRO

AMD Radeon HD 6450 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 PRO and 512MB VRAM Radeon HD 6450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 PRO 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 8.528GB/s)

160 additional rendering cores

AMD Radeon HD 6450 OEM 's Advantages

Released 3 years and 2 months late

Lower TDP (18W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 PRO +92%

0.384 TFLOPS

Radeon HD 6450 OEM

0.2 TFLOPS

Radeon HD 2900 PRO

VS

Radeon HD 6450 OEM

Graphics Card

Dec 2007

Release Date

Feb 2011

Radeon R600

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

533 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

64bit

51.20GB/s

Bandwidth

8.528GB/s

Render Config

4

Compute Units

2

-

320

Shading Units

160

16

TMUs

8

16

ROPs

4

-

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

9.600 GPixel/s

Pixel Rate

2.500 GPixel/s

9.600 GTexel/s

Texture Rate

5.000 GTexel/s

-

384.0 GFLOPS

FP32 (float)

200.0 GFLOPS

-

Board Design

200W

TDP

18W

550 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 8-pin

Power Connectors

None

Graphics Processor

R600

GPU Name

Caicos

R600 PRO (215RGMDKA13FG)

GPU Variant

Junbonator

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.72 billion

Transistors

0.37 billion

420 mm²

Die Size

67 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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