NVIDIA GeForce GT 630 vs NVIDIA GeForce GTX 660 OEM

VS

NVIDIA GeForce GT 630

NVIDIA GeForce GTX 660 OEM

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 630 and 1536MB VRAM GeForce GTX 660 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 630 's Advantages

Lower TDP (65W vs 130W)

NVIDIA GeForce GTX 660 OEM 's Advantages

Boost Clock888MHz

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (134.4GB/s vs 28.80GB/s)

1056 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 630

0.311 TFLOPS

GeForce GTX 660 OEM +557%

2.046 TFLOPS

GeForce GT 630

VS

GeForce GTX 660 OEM

Graphics Card

May 2012

Release Date

Aug 2012

GeForce 600

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

823 MHz

-

Boost Clock

888 MHz

900 MHz

Memory Clock

1400 MHz

Memory

1024MB

Memory Size

1536MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

192bit

28.80GB/s

Bandwidth

134.4GB/s

Render Config

-

2

SM Count

-

96

Shading Units

1152

16

TMUs

96

4

ROPs

24

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

3.240 GPixel/s

Pixel Rate

21.31 GPixel/s

12.96 GTexel/s

Texture Rate

85.25 GTexel/s

-

311.0 GFLOPS

FP32 (float)

2.046 TFLOPS

25.92 GFLOPS

FP64 (double)

85.25 GFLOPS

Board Design

65W

TDP

130W

250 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Processor

GF108

GPU Name

GK104

GF108-400-A1

GPU Variant

GK104-200-KD-A2

Fermi

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.585 billion

Transistors

3.54 billion

116 mm²

Die Size

294 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.1

CUDA

3.0

5.1

Shader Model

5.1

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