ATI Radeon HD 3750 vs ATI Radeon HD 2900 GT

VS

ATI Radeon HD 3750 ATI Radeon HD 2900 GT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3750 and 256MB VRAM Radeon HD 2900 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3750 's Advantages

Released 10 months late

More VRAM (512GB vs 256GB)

Lower TDP (65W vs 150W)

ATI Radeon HD 2900 GT 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 22.18GB/s)

120 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3750

0.191 TFLOPS

Radeon HD 2900 GT +50%

0.288 TFLOPS

Radeon HD 3750

VS

Radeon HD 2900 GT

Graphics Card

Sep 2008

Release Date

Nov 2007

Radeon R600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

693 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

22.18GB/s

Bandwidth

51.20GB/s

Render Config

-

SM Count

-

3

Compute Units

3

120

Shading Units

240

8

TMUs

12

4

ROPs

12

-

Tensor Cores

-

RT Cores

-

L1 Cache

-

128 KB

L2 Cache

128 KB

Theoretical Performance

3.184 GPixel/s

Pixel Rate

7.212 GPixel/s

6.368 GTexel/s

Texture Rate

7.212 GTexel/s

-

FP16 (half)

-

191.0 GFLOPS

FP32 (float)

288.5 GFLOPS

-

FP64 (double)

-

Graphics Processor

RV635

GPU Name

R600

RV635 PRO (215-0682008)

GPU Variant

R600 GT (215RGFDKA13FG)

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

Board Design

65W

TDP

150W

250 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 8-pin

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

-

CUDA

-

4.1

Shader Model

4.0

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