ATI Radeon HD 3830 vs ATI Radeon HD 3450

VS

ATI Radeon HD 3830

ATI Radeon HD 3450

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 3830 and 256MB VRAM Radeon HD 3450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3830 's Advantages

Larger VRAM bandwidth (26.50GB/s vs 8.000GB/s)

280 additional rendering cores

ATI Radeon HD 3450 's Advantages

Lower TDP (25W vs 75W)

Score

Benchmark

FP32 (float)

Radeon HD 3830 +791%

0.428 TFLOPS

Radeon HD 3450

0.048 TFLOPS

Radeon HD 3830

VS

Radeon HD 3450

Graphics Card

Apr 2008

Release Date

Dec 2007

Radeon R600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

828 MHz

Memory Clock

500 MHz

Memory

256MB

Memory Size

256MB

GDDR3

Memory Type

DDR2

128bit

Memory Bus

64bit

26.50GB/s

Bandwidth

8.000GB/s

Render Config

4

Compute Units

2

-

320

Shading Units

40

16

TMUs

4

16

ROPs

4

-

128 KB

L2 Cache

64 KB

-

Theoretical Performance

10.69 GPixel/s

Pixel Rate

2.400 GPixel/s

10.69 GTexel/s

Texture Rate

2.400 GTexel/s

-

427.5 GFLOPS

FP32 (float)

48.00 GFLOPS

85.50 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

25W

250 W

Suggested PSU

200 W

No outputs

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Processor

RV670

GPU Name

RV620

RV670 PRO (215-0708003)

GPU Variant

RV620 LE

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.666 billion

Transistors

0.181 billion

192 mm²

Die Size

67 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3 (full) 4.0 (partial)

OpenGL

3.3

N/A

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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