ATI Radeon HD 3850 AGP vs ATI Radeon HD 2600 XT

VS

ATI Radeon HD 3850 AGP

ATI Radeon HD 2600 XT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 AGP and 256MB VRAM ATI Radeon HD 2600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3850 AGP 's Advantages

Released 7 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (52.99GB/s vs 22.40GB/s)

200 additional rendering cores

ATI Radeon HD 2600 XT 's Advantages

Lower TDP (45W vs 75W)

Score

Benchmark

FP32 (float)

Radeon HD 3850 AGP +122%

0.428 TFLOPS

ATI Radeon HD 2600 XT

0.192 TFLOPS

Radeon HD 3850 AGP

VS

ATI Radeon HD 2600 XT

Graphics Card

Jan 2008

Release Date

Jun 2007

Radeon R600

Generation

Radeon R600

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

828 MHz

Memory Clock

700 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

128bit

52.99GB/s

Bandwidth

22.40GB/s

Render Config

4

Compute Units

3

-

320

Shading Units

120

16

TMUs

8

16

ROPs

4

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

10.69 GPixel/s

Pixel Rate

3.200 GPixel/s

10.69 GTexel/s

Texture Rate

6.400 GTexel/s

-

427.5 GFLOPS

FP32 (float)

192.0 GFLOPS

85.50 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

45W

250 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

None

Graphics Processor

RV670

GPU Name

RV630

RV670 PRO (215-0708003)

GPU Variant

-

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

65 nm

0.666 billion

Transistors

0.39 billion

192 mm²

Die Size

153 mm²

Graphics Features

10.1 (10_1)

DirectX

10.0 (10_0)

3.3 (full) 4.0 (partial)

OpenGL

3.3

N/A

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.0

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