AMD Radeon HD 6450 OEM vs ATI Radeon HD 2950 PRO

VS

AMD Radeon HD 6450 OEM

ATI Radeon HD 2950 PRO

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 6450 OEM and 256MB VRAM Radeon HD 2950 PRO to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6450 OEM 's Advantages

More VRAM (512GB vs 256GB)

Lower TDP (18W vs 75W)

ATI Radeon HD 2950 PRO 's Advantages

Larger VRAM bandwidth (38.40GB/s vs 8.528GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6450 OEM

0.2 TFLOPS

Radeon HD 2950 PRO +92%

0.384 TFLOPS

Radeon HD 6450 OEM

VS

Radeon HD 2950 PRO

Graphics Card

Feb 2011

Release Date

Unknown

Northern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

533 MHz

Memory Clock

600 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

8.528GB/s

Bandwidth

38.40GB/s

Render Config

2

Compute Units

4

-

160

Shading Units

320

8

TMUs

16

4

ROPs

16

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

256 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

9.600 GPixel/s

5.000 GTexel/s

Texture Rate

9.600 GTexel/s

-

200.0 GFLOPS

FP32 (float)

384.0 GFLOPS

-

FP64 (double)

76.80 GFLOPS

Board Design

18W

TDP

75W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Processor

Caicos

GPU Name

RV670

Junbonator

GPU Variant

RV670 PRO ES (215-0708001)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.37 billion

Transistors

0.666 billion

67 mm²

Die Size

192 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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