ATI Radeon HD 3850 AGP vs ATI Radeon HD 4750

VS

ATI Radeon HD 3850 AGP

ATI Radeon HD 4750

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 AGP and 512MB VRAM Radeon HD 4750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3850 AGP 's Advantages

Larger VRAM bandwidth (52.99GB/s vs 51.20GB/s)

Lower TDP (75W vs 100W)

ATI Radeon HD 4750 's Advantages

Released 1 years and 8 months late

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3850 AGP

0.428 TFLOPS

Radeon HD 4750 +118%

0.934 TFLOPS

Radeon HD 3850 AGP

VS

Radeon HD 4750

Graphics Card

Jan 2008

Release Date

Sep 2009

Radeon R600

Generation

Radeon R700

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

828 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

128bit

52.99GB/s

Bandwidth

51.20GB/s

Render Config

4

Compute Units

8

-

320

Shading Units

640

16

TMUs

32

16

ROPs

16

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

10.69 GPixel/s

Pixel Rate

11.68 GPixel/s

10.69 GTexel/s

Texture Rate

23.36 GTexel/s

-

427.5 GFLOPS

FP32 (float)

934.4 GFLOPS

85.50 GFLOPS

FP64 (double)

186.9 GFLOPS

Board Design

75W

TDP

100W

250 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

RV670

GPU Name

RV740

RV670 PRO (215-0708003)

GPU Variant

RV740 PRO

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.666 billion

Transistors

0.826 billion

192 mm²

Die Size

137 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3 (full) 4.0 (partial)

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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