ATI Radeon HD 3850 AGP vs ATI Radeon HD 2900 XTX

VS

ATI Radeon HD 3850 AGP

ATI Radeon HD 2900 XTX

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 AGP and 512MB VRAM Radeon HD 2900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3850 AGP 's Advantages

Lower TDP (75W vs 240W)

ATI Radeon HD 2900 XTX 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 52.99GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 3850 AGP

0.428 TFLOPS

Radeon HD 2900 XTX +11%

0.476 TFLOPS

Radeon HD 3850 AGP

VS

Radeon HD 2900 XTX

Graphics Card

Jan 2008

Release Date

Unknown

Radeon R600

Generation

Radeon R600

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

828 MHz

Memory Clock

828 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

512bit

52.99GB/s

Bandwidth

106.0GB/s

Render Config

4

Compute Units

4

-

320

Shading Units

320

16

TMUs

16

ROPs

16

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

10.69 GPixel/s

Pixel Rate

11.89 GPixel/s

10.69 GTexel/s

Texture Rate

11.89 GTexel/s

-

427.5 GFLOPS

FP32 (float)

475.5 GFLOPS

85.50 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

240W

250 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

RV670

GPU Name

R600

RV670 PRO (215-0708003)

GPU Variant

R600 XTX A11 (215RGMDKA11FG)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

80 nm

0.666 billion

Transistors

0.72 billion

192 mm²

Die Size

420 mm²

Graphics Features

10.1 (10_1)

DirectX

10.0 (10_0)

3.3 (full) 4.0 (partial)

OpenGL

3.3 (full) 4.0 (partial)

N/A

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.0

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