ATI Radeon HD 4850 vs ATI Radeon HD 3470

VS

ATI Radeon HD 4850

ATI Radeon HD 3470

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4850 and 256MB VRAM Radeon HD 3470 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4850 's Advantages

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (63.55GB/s vs 15.20GB/s)

760 additional rendering cores

ATI Radeon HD 3470 's Advantages

Lower TDP (30W vs 110W)

Score

Benchmark

FP32 (float)

Radeon HD 4850 +1462%

1 TFLOPS

Radeon HD 3470

0.064 TFLOPS

Radeon HD 4850

VS

Radeon HD 3470

Graphics Card

Jun 2008

Release Date

Jan 2008

Radeon R700

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

993 MHz

Memory Clock

950 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

64bit

63.55GB/s

Bandwidth

15.20GB/s

Render Config

10

Compute Units

2

-

800

Shading Units

40

TMUs

4

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

10.00 GPixel/s

Pixel Rate

3.200 GPixel/s

25.00 GTexel/s

Texture Rate

3.200 GTexel/s

-

1000 GFLOPS

FP32 (float)

64.00 GFLOPS

200.0 GFLOPS

FP64 (double)

-

Board Design

110W

TDP

30W

300 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Processor

RV770

GPU Name

RV620

RV770 PRO (215-0669065)

GPU Variant

RV620 PRO (215-0670006)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.956 billion

Transistors

0.181 billion

256 mm²

Die Size

67 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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