ATI Radeon HD 2950 PRO vs ATI Radeon HD 3650 AGP

VS

ATI Radeon HD 2950 PRO ATI Radeon HD 3650 AGP

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2950 PRO and 512MB VRAM Radeon HD 3650 AGP 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 16.00GB/s)

200 additional rendering cores

ATI Radeon HD 3650 AGP 's Advantages

More VRAM (512GB vs 256GB)

Lower TDP (65W vs 75W)

Score

Benchmark

FP32 (float)

Radeon HD 2950 PRO +120%

0.384 TFLOPS

Radeon HD 3650 AGP

0.174 TFLOPS

Radeon HD 2950 PRO

VS

Radeon HD 3650 AGP

Graphics Card

Unknown

Release Date

Jan 2008

Radeon R600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

Base Clock

-

Boost Clock

-

600 MHz

Memory Clock

500 MHz

Memory

256MB

Memory Size

512MB

GDDR3

Memory Type

DDR2

256bit

Memory Bus

128bit

38.40GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

4

Compute Units

3

320

Shading Units

120

16

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

L1 Cache

-

256 KB

L2 Cache

128 KB

Theoretical Performance

9.600 GPixel/s

Pixel Rate

2.900 GPixel/s

9.600 GTexel/s

Texture Rate

5.800 GTexel/s

-

FP16 (half)

-

384.0 GFLOPS

FP32 (float)

174.0 GFLOPS

76.80 GFLOPS

FP64 (double)

-

Graphics Processor

RV670

GPU Name

RV635

RV670 PRO ES (215-0708001)

GPU Variant

RV635 PRO (215-0682008)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.666 billion

Transistors

0.378 billion

192 mm²

Die Size

135 mm²

Board Design

75W

TDP

65W

250 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3 (full) 4.0 (partial)

OpenGL

3.3

N/A

OpenCL

N/A

Vulkan

N/A

-

CUDA

-

4.1

Shader Model

4.1

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