ATI Radeon HD 3750 vs AMD Radeon HD 6450

VS

ATI Radeon HD 3750

AMD Radeon HD 6450

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3750 and 512MB VRAM Radeon HD 6450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6450 's Advantages

Released 2 years and 7 months late

Larger VRAM bandwidth (25.60GB/s vs 22.18GB/s)

40 additional rendering cores

Lower TDP (18W vs 65W)

Score

Benchmark

FP32 (float)

Radeon HD 3750

0.191 TFLOPS

Radeon HD 6450 +4%

0.2 TFLOPS

Radeon HD 3750

VS

Radeon HD 6450

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

800 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

22.18GB/s

Bandwidth

25.60GB/s

Render Config

3

Compute Units

2

-

120

Shading Units

160

8

TMUs

8

4

ROPs

4

-

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

3.184 GPixel/s

Pixel Rate

2.500 GPixel/s

6.368 GTexel/s

Texture Rate

5.000 GTexel/s

-

191.0 GFLOPS

FP32 (float)

200.0 GFLOPS

-

Board Design

65W

TDP

18W

250 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

RV635

GPU Name

Caicos

RV635 PRO (215-0682008)

GPU Variant

Caicos PRO

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.378 billion

Transistors

0.37 billion

135 mm²

Die Size

67 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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