ATI Radeon HD 3750 vs AMD Radeon HD 6850

VS

ATI Radeon HD 3750

AMD Radeon HD 6850

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3750 and 1024MB VRAM Radeon HD 6850 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 127W)

AMD Radeon HD 6850 's Advantages

Released 2 years and 1 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (128.0GB/s vs 22.18GB/s)

840 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3750

0.191 TFLOPS

Radeon HD 6850 +679%

1.488 TFLOPS

Radeon HD 3750

VS

Radeon HD 6850

Graphics Card

Sep 2008

Release Date

Oct 2010

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

256bit

22.18GB/s

Bandwidth

128.0GB/s

Render Config

3

Compute Units

12

-

120

Shading Units

960

8

TMUs

48

4

ROPs

32

-

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

3.184 GPixel/s

Pixel Rate

24.80 GPixel/s

6.368 GTexel/s

Texture Rate

37.20 GTexel/s

-

191.0 GFLOPS

FP32 (float)

1488 GFLOPS

-

Board Design

65W

TDP

127W

250 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

None

Power Connectors

1x 6-pin

Graphics Processor

RV635

GPU Name

Barts

RV635 PRO (215-0682008)

GPU Variant

Barts PRO (215-0798006)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.378 billion

Transistors

1.7 billion

135 mm²

Die Size

255 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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