ATI Radeon HD 5450 vs AMD Radeon HD 6850 X2

VS

ATI Radeon HD 5450 AMD Radeon HD 6850 X2

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5450 and 2GB VRAM Radeon HD 6850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5450 's Advantages

Lower TDP (19W vs 254W)

AMD Radeon HD 6850 X2 's Advantages

Released 1 years and 7 months late

Larger VRAM bandwidth (134.4GB/s vs 6.400GB/s)

880 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5450

0.104 TFLOPS

Radeon HD 6850 X2 +1376%

1.536 TFLOPS

Radeon HD 5450

VS

Radeon HD 6850 X2

Graphics Card

Feb 2010

Release Date

Sep 2011

Evergreen

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

400 MHz

Memory Clock

1050 MHz

Memory

512MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

256bit

6.400GB/s

Bandwidth

134.4GB/s

Render Config

-

SM Count

-

2

Compute Units

12

80

Shading Units

960

8

TMUs

48

4

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

512 KB

Theoretical Performance

2.600 GPixel/s

Pixel Rate

25.60 GPixel/s

5.200 GTexel/s

Texture Rate

38.40 GTexel/s

-

FP16 (half)

-

104.0 GFLOPS

FP32 (float)

1.536 TFLOPS

-

FP64 (double)

-

Graphics Processor

Cedar

GPU Name

Barts

Cedar PRO

GPU Variant

Barts PRO (215-0798006)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.292 billion

Transistors

1.7 billion

59 mm²

Die Size

255 mm²

Board Design

19W

TDP

254W

200 W

Suggested PSU

600 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

2x 8-pin

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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