ATI Radeon HD 4450 vs ATI Radeon HD 2950 PRO

VS

ATI Radeon HD 4450

ATI Radeon HD 2950 PRO

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4450 and 256MB VRAM Radeon HD 2950 PRO to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4450 's Advantages

More VRAM (512GB vs 256GB)

Lower TDP (25W vs 75W)

ATI Radeon HD 2950 PRO 's Advantages

Larger VRAM bandwidth (38.40GB/s vs 6.400GB/s)

240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4450

0.096 TFLOPS

Radeon HD 2950 PRO +300%

0.384 TFLOPS

Radeon HD 4450

VS

Radeon HD 2950 PRO

Graphics Card

Nov 2011

Release Date

Unknown

Radeon R700

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

600 MHz

Memory

512MB

Memory Size

256MB

DDR2

Memory Type

GDDR3

64bit

Memory Bus

256bit

6.400GB/s

Bandwidth

38.40GB/s

Render Config

1

Compute Units

4

-

80

Shading Units

320

8

TMUs

16

4

ROPs

16

-

16 KB (per CU)

L1 Cache

-

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.400 GPixel/s

Pixel Rate

9.600 GPixel/s

4.800 GTexel/s

Texture Rate

9.600 GTexel/s

-

96.00 GFLOPS

FP32 (float)

384.0 GFLOPS

-

FP64 (double)

76.80 GFLOPS

Board Design

25W

TDP

75W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x DisplayPort 1.0

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Processor

RV710

GPU Name

RV670

RV710 (215-0725016)

GPU Variant

RV670 PRO ES (215-0708001)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.242 billion

Transistors

0.666 billion

73 mm²

Die Size

192 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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