AMD Radeon HD 7450 OEM vs ATI Radeon HD 3550

VS

AMD Radeon HD 7450 OEM

ATI Radeon HD 3550

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 512MB VRAM Radeon HD 3550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7450 OEM 's Advantages

Released 3 years and 5 months late

Larger VRAM bandwidth (8.528GB/s vs 6.336GB/s)

120 additional rendering cores

Lower TDP (18W vs 30W)

Score

Benchmark

FP32 (float)

Radeon HD 7450 OEM +316%

0.2 TFLOPS

Radeon HD 3550

0.048 TFLOPS

Radeon HD 7450 OEM

VS

Radeon HD 3550

Graphics Card

Jan 2012

Release Date

Aug 2008

Southern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

533 MHz

Memory Clock

396 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

DDR2

64bit

Memory Bus

64bit

8.528GB/s

Bandwidth

6.336GB/s

Render Config

2

Compute Units

2

-

160

Shading Units

40

8

TMUs

4

ROPs

4

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

64 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

2.376 GPixel/s

5.000 GTexel/s

Texture Rate

2.376 GTexel/s

-

200.0 GFLOPS

FP32 (float)

47.52 GFLOPS

-

Board Design

18W

TDP

30W

200 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a

Outputs

2x DisplayPort

None

Power Connectors

None

Graphics Processor

Caicos

GPU Name

RV620

Caimour

GPU Variant

RV620 PRO (215-0670006)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.37 billion

Transistors

0.181 billion

67 mm²

Die Size

67 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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