NVIDIA GeForce GTX 660 Ti vs NVIDIA GeForce GTX 555 OEM

VS

NVIDIA GeForce GTX 660 Ti

NVIDIA GeForce GTX 555 OEM

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 1024MB VRAM GeForce GTX 555 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Ti 's Advantages

Released 1 years and 3 months late

Boost Clock980MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (144.2GB/s vs 91.87GB/s)

1056 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Ti +210%

2.634 TFLOPS

GeForce GTX 555 OEM

0.848 TFLOPS

GeForce GTX 660 Ti

VS

GeForce GTX 555 OEM

Graphics Card

Aug 2012

Release Date

May 2011

GeForce 600

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

915 MHz

Base Clock

-

980 MHz

Boost Clock

-

1502 MHz

Memory Clock

957 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

192bit

144.2GB/s

Bandwidth

91.87GB/s

Render Config

-

SM Count

6

1344

Shading Units

288

112

TMUs

48

24

ROPs

24

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

384 KB

-

Theoretical Performance

27.44 GPixel/s

Pixel Rate

8.832 GPixel/s

109.8 GTexel/s

Texture Rate

35.33 GTexel/s

-

2.634 TFLOPS

FP32 (float)

847.9 GFLOPS

109.8 GFLOPS

FP64 (double)

70.66 GFLOPS

Board Design

150W

TDP

150W

450 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GK104

GPU Name

GF114

GK104-300-KD-A2

GPU Variant

GF114-200-KB-A1

Kepler

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

1.95 billion

294 mm²

Die Size

332 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

2.1

5.1

Shader Model

5.1

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