ATI Radeon HD 5450 PCI vs NVIDIA GeForce GTX 660 OEM

VS

ATI Radeon HD 5450 PCI

NVIDIA GeForce GTX 660 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5450 PCI and 1536MB VRAM GeForce GTX 660 OEM 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 130W)

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

Score

Benchmark

FP32 (float)

Radeon HD 5450 PCI

0.104 TFLOPS

GeForce GTX 660 OEM +1867%

2.046 TFLOPS

Radeon HD 5450 PCI

VS

GeForce GTX 660 OEM

Graphics Card

Feb 2010

Release Date

Aug 2012

Evergreen

Generation

GeForce 600

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

823 MHz

-

Boost Clock

888 MHz

333 MHz

Memory Clock

1400 MHz

Memory

512MB

Memory Size

1536MB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

192bit

5.328GB/s

Bandwidth

134.4GB/s

Render Config

2

Compute Units

-

80

Shading Units

1152

8

TMUs

96

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

21.31 GPixel/s

5.200 GTexel/s

Texture Rate

85.25 GTexel/s

-

104.0 GFLOPS

FP32 (float)

2.046 TFLOPS

-

FP64 (double)

85.25 GFLOPS

Board Design

19W

TDP

130W

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

GK104

Cedar PRO

GPU Variant

GK104-200-KD-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.292 billion

Transistors

3.54 billion

59 mm²

Die Size

294 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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