ATI Radeon HD 3450 PCI vs ATI Radeon HD 2900 XTX

VS

ATI Radeon HD 3450 PCI ATI Radeon HD 2900 XTX

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

Main Differences

ATI Radeon HD 3450 PCI 's Advantages

Lower TDP (25W vs 240W)

ATI Radeon HD 2900 XTX 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 6.400GB/s)

280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3450 PCI

0.048 TFLOPS

Radeon HD 2900 XTX +891%

0.476 TFLOPS

Radeon HD 3450 PCI

VS

Radeon HD 2900 XTX

Graphics Card

Jan 2008

Release Date

Unknown

Radeon R600

Generation

Radeon R600

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

400 MHz

Memory Clock

828 MHz

Memory

512MB

Memory Size

512MB

DDR2

Memory Type

GDDR3

64bit

Memory Bus

512bit

6.400GB/s

Bandwidth

106.0GB/s

Render Config

-

SM Count

-

2

Compute Units

4

40

Shading Units

320

4

TMUs

16

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

-

64 KB

L2 Cache

256 KB

Theoretical Performance

2.400 GPixel/s

Pixel Rate

11.89 GPixel/s

2.400 GTexel/s

Texture Rate

11.89 GTexel/s

-

FP16 (half)

-

48.00 GFLOPS

FP32 (float)

475.5 GFLOPS

-

FP64 (double)

-

Graphics Processor

RV620

GPU Name

R600

RV620 LE

GPU Variant

R600 XTX A11 (215RGMDKA11FG)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

80 nm

0.181 billion

Transistors

0.72 billion

67 mm²

Die Size

420 mm²

Board Design

25W

TDP

240W

200 W

Suggested PSU

550 W

1x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

None

Power Connectors

2x 6-pin

Graphics Features

10.1 (10_1)

DirectX

10.0 (10_0)

3.3

OpenGL

3.3 (full) 4.0 (partial)

N/A

OpenCL

N/A

Vulkan

N/A

-

CUDA

-

4.1

Shader Model

4.0

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