ATI Radeon HD 5450 PCI vs AMD Radeon HD 6770

VS

ATI Radeon HD 5450 PCI

AMD Radeon HD 6770

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5450 PCI and 1024MB VRAM Radeon HD 6770 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 108W)

AMD Radeon HD 6770 's Advantages

Released 11 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (76.80GB/s vs 5.328GB/s)

720 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5450 PCI

0.104 TFLOPS

Radeon HD 6770 +1207%

1.36 TFLOPS

Radeon HD 5450 PCI

VS

Radeon HD 6770

Graphics Card

Feb 2010

Release Date

Jan 2011

Evergreen

Generation

Northern Islands

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

333 MHz

Memory Clock

1200 MHz

Memory

512MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

128bit

5.328GB/s

Bandwidth

76.80GB/s

Render Config

2

Compute Units

10

-

80

Shading Units

800

8

TMUs

40

4

ROPs

16

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

2.600 GPixel/s

Pixel Rate

13.60 GPixel/s

5.200 GTexel/s

Texture Rate

34.00 GTexel/s

-

104.0 GFLOPS

FP32 (float)

1360 GFLOPS

-

Board Design

19W

TDP

108W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Processor

Cedar

GPU Name

Juniper

Cedar PRO

GPU Variant

Juniper XT (215-0754013)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.292 billion

Transistors

1.04 billion

59 mm²

Die Size

166 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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