ATI Radeon HD 5450 PCI vs ATI Radeon HD 4450

VS

ATI Radeon HD 5450 PCI

ATI Radeon HD 4450

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5450 PCI and 512MB VRAM Radeon HD 4450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5450 PCI 's Advantages

Lower TDP (19W vs 25W)

ATI Radeon HD 4450 's Advantages

Released 1 years and 9 months late

Larger VRAM bandwidth (6.400GB/s vs 5.328GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 5450 PCI +8%

0.104 TFLOPS

Radeon HD 4450

0.096 TFLOPS

Radeon HD 5450 PCI

VS

Radeon HD 4450

Graphics Card

Feb 2010

Release Date

Nov 2011

Evergreen

Generation

Radeon R700

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

333 MHz

Memory Clock

400 MHz

Memory

512MB

Memory Size

512MB

DDR2

Memory Type

DDR2

64bit

Memory Bus

64bit

5.328GB/s

Bandwidth

6.400GB/s

Render Config

2

Compute Units

1

-

80

Shading Units

80

8

TMUs

8

4

ROPs

4

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

64 KB

-

Theoretical Performance

2.600 GPixel/s

Pixel Rate

2.400 GPixel/s

5.200 GTexel/s

Texture Rate

4.800 GTexel/s

-

104.0 GFLOPS

FP32 (float)

96.00 GFLOPS

-

Board Design

19W

TDP

25W

200 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a

Outputs

1x DVI 1x HDMI 1.3a 1x DisplayPort 1.0

None

Power Connectors

None

Graphics Processor

Cedar

GPU Name

RV710

Cedar PRO

GPU Variant

RV710 (215-0725016)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.292 billion

Transistors

0.242 billion

59 mm²

Die Size

73 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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