ATI Radeon HD 3850 AGP vs ATI Radeon HD 3830

VS

ATI Radeon HD 3850 AGP

ATI Radeon HD 3830

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 AGP and 256MB VRAM Radeon HD 3830 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3850 AGP 's Advantages

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (52.99GB/s vs 26.50GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 3850 AGP

0.428 TFLOPS

Radeon HD 3830

0.428 TFLOPS

Radeon HD 3850 AGP

VS

Radeon HD 3830

Graphics Card

Jan 2008

Release Date

Apr 2008

Radeon R600

Generation

Radeon R600

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

828 MHz

Memory Clock

828 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

128bit

52.99GB/s

Bandwidth

26.50GB/s

Render Config

4

Compute Units

4

-

320

Shading Units

320

16

TMUs

16

ROPs

16

-

256 KB

L2 Cache

128 KB

-

Theoretical Performance

10.69 GPixel/s

Pixel Rate

10.69 GPixel/s

10.69 GTexel/s

Texture Rate

10.69 GTexel/s

-

427.5 GFLOPS

FP32 (float)

427.5 GFLOPS

85.50 GFLOPS

FP64 (double)

85.50 GFLOPS

Board Design

75W

TDP

75W

250 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

No outputs

1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

RV670

GPU Name

RV670

RV670 PRO (215-0708003)

GPU Variant

RV670 PRO (215-0708003)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.666 billion

Transistors

0.666 billion

192 mm²

Die Size

192 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

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

4.1

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