ATI Radeon HD 3750 vs AMD Radeon HD 6670

VS

ATI Radeon HD 3750

AMD Radeon HD 6670

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3750 and 1024MB VRAM Radeon HD 6670 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 66W)

AMD Radeon HD 6670 's Advantages

Released 2 years and 7 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 22.18GB/s)

360 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3750

0.191 TFLOPS

Radeon HD 6670 +302%

0.768 TFLOPS

Radeon HD 3750

VS

Radeon HD 6670

Graphics Card

Sep 2008

Release Date

Apr 2011

Radeon R600

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

693 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

22.18GB/s

Bandwidth

64.00GB/s

Render Config

3

Compute Units

6

-

120

Shading Units

480

8

TMUs

24

4

ROPs

8

-

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

3.184 GPixel/s

Pixel Rate

6.400 GPixel/s

6.368 GTexel/s

Texture Rate

19.20 GTexel/s

-

191.0 GFLOPS

FP32 (float)

768.0 GFLOPS

-

Board Design

65W

TDP

66W

250 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

RV635

GPU Name

Turks

RV635 PRO (215-0682008)

GPU Variant

Turks XT (215-0803000)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.378 billion

Transistors

0.716 billion

135 mm²

Die Size

118 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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