ATI Radeon HD 3750 vs ATI Radeon HD 2900 XTX

VS

ATI Radeon HD 3750

ATI Radeon HD 2900 XTX

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3750 and 512MB VRAM Radeon HD 2900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3750 's Advantages

Lower TDP (65W vs 240W)

ATI Radeon HD 2900 XTX 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 22.18GB/s)

200 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3750

0.191 TFLOPS

Radeon HD 2900 XTX +149%

0.476 TFLOPS

Radeon HD 3750

VS

Radeon HD 2900 XTX

Graphics Card

Sep 2008

Release Date

Unknown

Radeon R600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

693 MHz

Memory Clock

828 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

512bit

22.18GB/s

Bandwidth

106.0GB/s

Render Config

3

Compute Units

4

-

120

Shading Units

320

8

TMUs

16

4

ROPs

16

-

128 KB

L2 Cache

256 KB

-

Theoretical Performance

3.184 GPixel/s

Pixel Rate

11.89 GPixel/s

6.368 GTexel/s

Texture Rate

11.89 GTexel/s

-

191.0 GFLOPS

FP32 (float)

475.5 GFLOPS

-

Board Design

65W

TDP

240W

250 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

None

Power Connectors

2x 6-pin

Graphics Processor

RV635

GPU Name

R600

RV635 PRO (215-0682008)

GPU Variant

R600 XTX A11 (215RGMDKA11FG)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

80 nm

0.378 billion

Transistors

0.72 billion

135 mm²

Die Size

420 mm²

Graphics Features

10.1 (10_1)

DirectX

10.0 (10_0)

3.3

OpenGL

3.3 (full) 4.0 (partial)

N/A

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.0

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