NVIDIA GeForce GTX 660 Rev. 2 vs ATI Radeon HD 5450 PCI

VS

NVIDIA GeForce GTX 660 Rev. 2 ATI Radeon HD 5450 PCI

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 512MB VRAM Radeon HD 5450 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Released 4 years and 7 months late

Boost Clock1032MHz

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

880 additional rendering cores

ATI Radeon HD 5450 PCI 's Advantages

Lower TDP (19W vs 140W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2 +1804%

1.981 TFLOPS

Radeon HD 5450 PCI

0.104 TFLOPS

GeForce GTX 660 Rev. 2

VS

Radeon HD 5450 PCI

Graphics Card

Sep 2014

Release Date

Feb 2010

GeForce 600

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCI

Clock Speeds

980 MHz

Base Clock

-

1032 MHz

Boost Clock

-

1502 MHz

Memory Clock

333 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

192bit

Memory Bus

64bit

144.2GB/s

Bandwidth

5.328GB/s

Render Config

-

SM Count

-

Compute Units

2

960

Shading Units

80

TMUs

8

24

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

384 KB

L2 Cache

128 KB

Theoretical Performance

20.64 GPixel/s

Pixel Rate

2.600 GPixel/s

82.56 GTexel/s

Texture Rate

5.200 GTexel/s

-

FP16 (half)

-

1.981 TFLOPS

FP32 (float)

104.0 GFLOPS

82.56 GFLOPS

FP64 (double)

-

Graphics Processor

GK104

GPU Name

Cedar

-

GPU Variant

Cedar PRO

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

0.292 billion

294 mm²

Die Size

59 mm²

Board Design

140W

TDP

19W

300 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a

1x 6-pin

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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