AMD Radeon HD 6750 vs ATI Radeon HD 5450

VS

AMD Radeon HD 6750

ATI Radeon HD 5450

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6750 and 512MB VRAM Radeon HD 5450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6750 's Advantages

Released 11 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (73.60GB/s vs 6.400GB/s)

640 additional rendering cores

ATI Radeon HD 5450 's Advantages

Lower TDP (19W vs 86W)

Score

Benchmark

FP32 (float)

Radeon HD 6750 +869%

1.008 TFLOPS

Radeon HD 5450

0.104 TFLOPS

Radeon HD 6750

VS

Radeon HD 5450

Graphics Card

Jan 2011

Release Date

Feb 2010

Northern Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1150 MHz

Memory Clock

400 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

73.60GB/s

Bandwidth

6.400GB/s

Render Config

9

Compute Units

2

-

720

Shading Units

80

36

TMUs

8

16

ROPs

4

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

2.600 GPixel/s

25.20 GTexel/s

Texture Rate

5.200 GTexel/s

-

1008 GFLOPS

FP32 (float)

104.0 GFLOPS

-

Board Design

86W

TDP

19W

250 W

Suggested PSU

200 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

Juniper

GPU Name

Cedar

Juniper LE (215-0754009)

GPU Variant

Cedar PRO

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.292 billion

166 mm²

Die Size

59 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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