NVIDIA GeForce GTX 660 OEM vs ATI Radeon HD 5450 PCI

VS

NVIDIA GeForce GTX 660 OEM

ATI Radeon HD 5450 PCI

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM 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 OEM 's Advantages

Released 2 years and 6 months late

Boost Clock888MHz

More VRAM (1536GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 5.328GB/s)

1072 additional rendering cores

ATI Radeon HD 5450 PCI 's Advantages

Lower TDP (19W vs 130W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM +1867%

2.046 TFLOPS

Radeon HD 5450 PCI

0.104 TFLOPS

GeForce GTX 660 OEM

VS

Radeon HD 5450 PCI

Graphics Card

Aug 2012

Release Date

Feb 2010

GeForce 600

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCI

Clock Speeds

823 MHz

Base Clock

-

888 MHz

Boost Clock

-

1400 MHz

Memory Clock

333 MHz

Memory

1536MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

192bit

Memory Bus

64bit

134.4GB/s

Bandwidth

5.328GB/s

Render Config

-

Compute Units

2

-

1152

Shading Units

80

96

TMUs

8

24

ROPs

4

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

384 KB

L2 Cache

128 KB

-

Theoretical Performance

21.31 GPixel/s

Pixel Rate

2.600 GPixel/s

85.25 GTexel/s

Texture Rate

5.200 GTexel/s

-

2.046 TFLOPS

FP32 (float)

104.0 GFLOPS

85.25 GFLOPS

FP64 (double)

-

Board Design

130W

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 Processor

GK104

GPU Name

Cedar

GK104-200-KD-A2

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

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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