AMD Radeon HD 6770 Green Edition vs AMD Radeon HD 6450 OEM

VS

AMD Radeon HD 6770 Green Edition AMD Radeon HD 6450 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6770 Green Edition and 512MB VRAM Radeon HD 6450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770 Green Edition 's Advantages

Released 2 years and 2 months late

Larger VRAM bandwidth (21.34GB/s vs 8.528GB/s)

560 additional rendering cores

AMD Radeon HD 6450 OEM 's Advantages

Lower TDP (18W vs 86W)

Score

Benchmark

FP32 (float)

Radeon HD 6770 Green Edition +404%

1.008 TFLOPS

Radeon HD 6450 OEM

0.2 TFLOPS

Radeon HD 6770 Green Edition

VS

Radeon HD 6450 OEM

Graphics Card

Apr 2013

Release Date

Feb 2011

Northern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

667 MHz

Memory Clock

533 MHz

Memory

2GB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

64bit

21.34GB/s

Bandwidth

8.528GB/s

Render Config

-

SM Count

-

9

Compute Units

2

720

Shading Units

160

36

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

11.20 GPixel/s

Pixel Rate

2.500 GPixel/s

25.20 GTexel/s

Texture Rate

5.000 GTexel/s

-

FP16 (half)

-

1008 GFLOPS

FP32 (float)

200.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

Juniper

GPU Name

Caicos

Juniper LE (215-0754009)

GPU Variant

Junbonator

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.37 billion

166 mm²

Die Size

67 mm²

Board Design

86W

TDP

18W

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

-

Power Connectors

None

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

-

CUDA

-

5.0

Shader Model

5.0

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