ATI Radeon HD 2900 XTX vs ATI Radeon HD 3450 AGP

VS

ATI Radeon HD 2900 XTX

ATI Radeon HD 3450 AGP

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 512MB VRAM Radeon HD 3450 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XTX 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 8.000GB/s)

280 additional rendering cores

ATI Radeon HD 3450 AGP 's Advantages

Lower TDP (25W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX +891%

0.476 TFLOPS

Radeon HD 3450 AGP

0.048 TFLOPS

Radeon HD 2900 XTX

VS

Radeon HD 3450 AGP

Graphics Card

Unknown

Release Date

Jan 2008

Radeon R600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

828 MHz

Memory Clock

500 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

DDR2

512bit

Memory Bus

64bit

106.0GB/s

Bandwidth

8.000GB/s

Render Config

4

Compute Units

2

-

320

Shading Units

40

16

TMUs

4

16

ROPs

4

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

2.400 GPixel/s

11.89 GTexel/s

Texture Rate

2.400 GTexel/s

-

475.5 GFLOPS

FP32 (float)

48.00 GFLOPS

-

Board Design

240W

TDP

25W

550 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

2x DVI

2x 6-pin

Power Connectors

1x Molex

Graphics Processor

R600

GPU Name

RV620

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

RV620 LE

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

80 nm

Process Size

55 nm

0.72 billion

Transistors

0.181 billion

420 mm²

Die Size

67 mm²

Graphics Features

10.0 (10_0)

DirectX

10.1 (10_1)

3.3 (full) 4.0 (partial)

OpenGL

3.3

N/A

OpenCL

N/A

Vulkan

N/A

-

4.0

Shader Model

4.1

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