ATI Radeon HD 4850 vs ATI Radeon HD 3850 AGP

VS

ATI Radeon HD 4850

ATI Radeon HD 3850 AGP

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4850 and 512MB VRAM Radeon HD 3850 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4850 's Advantages

Larger VRAM bandwidth (63.55GB/s vs 52.99GB/s)

480 additional rendering cores

ATI Radeon HD 3850 AGP 's Advantages

Lower TDP (75W vs 110W)

Score

Benchmark

FP32 (float)

Radeon HD 4850 +133%

1 TFLOPS

Radeon HD 3850 AGP

0.428 TFLOPS

Radeon HD 4850

VS

Radeon HD 3850 AGP

Graphics Card

Jun 2008

Release Date

Jan 2008

Radeon R700

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

993 MHz

Memory Clock

828 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

256bit

63.55GB/s

Bandwidth

52.99GB/s

Render Config

10

Compute Units

4

-

800

Shading Units

320

40

TMUs

16

ROPs

16

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

10.00 GPixel/s

Pixel Rate

10.69 GPixel/s

25.00 GTexel/s

Texture Rate

10.69 GTexel/s

-

1000 GFLOPS

FP32 (float)

427.5 GFLOPS

200.0 GFLOPS

FP64 (double)

85.50 GFLOPS

Board Design

110W

TDP

75W

300 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

RV770

GPU Name

RV670

RV770 PRO (215-0669065)

GPU Variant

RV670 PRO (215-0708003)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.956 billion

Transistors

0.666 billion

256 mm²

Die Size

192 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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