ATI Radeon HD 3830 vs ATI Radeon HD 2950 PRO

VS

ATI Radeon HD 3830

ATI Radeon HD 2950 PRO

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 3830 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 2950 PRO 's Advantages

Larger VRAM bandwidth (38.40GB/s vs 26.50GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 3830 +11%

0.428 TFLOPS

Radeon HD 2950 PRO

0.384 TFLOPS

Radeon HD 3830

VS

Radeon HD 2950 PRO

Graphics Card

Apr 2008

Release Date

Unknown

Radeon R600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

828 MHz

Memory Clock

600 MHz

Memory

256MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

26.50GB/s

Bandwidth

38.40GB/s

Render Config

4

Compute Units

4

-

320

Shading Units

320

16

TMUs

16

ROPs

16

-

128 KB

L2 Cache

256 KB

-

Theoretical Performance

10.69 GPixel/s

Pixel Rate

9.600 GPixel/s

10.69 GTexel/s

Texture Rate

9.600 GTexel/s

-

427.5 GFLOPS

FP32 (float)

384.0 GFLOPS

85.50 GFLOPS

FP64 (double)

76.80 GFLOPS

Board Design

75W

TDP

75W

250 W

Suggested PSU

250 W

No outputs

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

RV670

GPU Name

RV670

RV670 PRO (215-0708003)

GPU Variant

RV670 PRO ES (215-0708001)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.666 billion

Transistors

0.666 billion

192 mm²

Die Size

192 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3 (full) 4.0 (partial)

OpenGL

3.3 (full) 4.0 (partial)

N/A

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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