ATI Radeon HD 5450 PCI vs NVIDIA GeForce GTX 660

VS

ATI Radeon HD 5450 PCI

NVIDIA GeForce GTX 660

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5450 PCI and 2GB VRAM GeForce GTX 660 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 140W)

NVIDIA GeForce GTX 660 's Advantages

Released 2 years and 7 months late

Boost Clock1032MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (144.2GB/s vs 5.328GB/s)

880 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5450 PCI

0.104 TFLOPS

GeForce GTX 660 +1804%

1.981 TFLOPS

Radeon HD 5450 PCI

VS

GeForce GTX 660

Graphics Card

Feb 2010

Release Date

Sep 2012

Evergreen

Generation

GeForce 600

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

980 MHz

-

Boost Clock

1032 MHz

333 MHz

Memory Clock

1502 MHz

Memory

512MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

192bit

5.328GB/s

Bandwidth

144.2GB/s

Render Config

2

Compute Units

-

80

Shading Units

960

8

TMUs

80

4

ROPs

24

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

384 KB

-

Theoretical Performance

2.600 GPixel/s

Pixel Rate

20.64 GPixel/s

5.200 GTexel/s

Texture Rate

82.56 GTexel/s

-

104.0 GFLOPS

FP32 (float)

1.981 TFLOPS

-

FP64 (double)

82.56 GFLOPS

Board Design

19W

TDP

140W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

1x 6-pin

Graphics Processor

Cedar

GPU Name

GK106

Cedar PRO

GPU Variant

GK106-400-A1

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.292 billion

Transistors

2.54 billion

59 mm²

Die Size

221 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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