ATI Radeon HD 5450 PCI vs ATI Radeon HD 3870 Mac Edition

VS

ATI Radeon HD 5450 PCI

ATI Radeon HD 3870 Mac Edition

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5450 PCI and 512MB VRAM Radeon HD 3870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5450 PCI 's Advantages

Released 1 years and 8 months late

Lower TDP (19W vs 106W)

ATI Radeon HD 3870 Mac Edition 's Advantages

Larger VRAM bandwidth (72.06GB/s vs 5.328GB/s)

240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5450 PCI

0.104 TFLOPS

Radeon HD 3870 Mac Edition +377%

0.497 TFLOPS

Radeon HD 5450 PCI

VS

Radeon HD 3870 Mac Edition

Graphics Card

Feb 2010

Release Date

Jun 2008

Evergreen

Generation

Radeon R600

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

333 MHz

Memory Clock

1126 MHz

Memory

512MB

Memory Size

512MB

DDR2

Memory Type

GDDR4

64bit

Memory Bus

256bit

5.328GB/s

Bandwidth

72.06GB/s

Render Config

2

Compute Units

4

-

80

Shading Units

320

8

TMUs

16

4

ROPs

16

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

256 KB

-

Theoretical Performance

2.600 GPixel/s

Pixel Rate

12.43 GPixel/s

5.200 GTexel/s

Texture Rate

12.43 GTexel/s

-

104.0 GFLOPS

FP32 (float)

497.3 GFLOPS

-

FP64 (double)

99.46 GFLOPS

Board Design

19W

TDP

106W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Processor

Cedar

GPU Name

RV670

Cedar PRO

GPU Variant

RV670 XT (215-0708005)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.292 billion

Transistors

0.666 billion

59 mm²

Die Size

192 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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