NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce GT 630 Rev. 2 PCIe x8

VS

NVIDIA GeForce GTX 660 OEM NVIDIA GeForce GT 630 Rev. 2 PCIe x8

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 2GB VRAM GeForce GT 630 Rev. 2 PCIe x8 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages

Boost Clock888MHz

Larger VRAM bandwidth (134.4GB/s vs 14.40GB/s)

768 additional rendering cores

NVIDIA GeForce GT 630 Rev. 2 PCIe x8 's Advantages

Released 9 months late

More VRAM (2GB vs 1GB)

Lower TDP (25W vs 130W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM +195%

2.046 TFLOPS

GeForce GT 630 Rev. 2 PCIe x8

0.693 TFLOPS

GeForce GTX 660 OEM

VS

GeForce GT 630 Rev. 2 PCIe x8

Graphics Card

Aug 2012

Release Date

May 2013

GeForce 600

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

823 MHz

Base Clock

-

888 MHz

Boost Clock

-

1400 MHz

Memory Clock

900 MHz

Memory

1536MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

64bit

134.4GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

Compute Units

-

1152

Shading Units

384

96

TMUs

32

24

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

384 KB

L2 Cache

512 KB

Theoretical Performance

21.31 GPixel/s

Pixel Rate

7.216 GPixel/s

85.25 GTexel/s

Texture Rate

28.86 GTexel/s

-

FP16 (half)

-

2.046 TFLOPS

FP32 (float)

692.7 GFLOPS

85.25 GFLOPS

FP64 (double)

28.86 GFLOPS

Graphics Processor

GK104

GPU Name

GK208

GK104-200-KD-A2

GPU Variant

GK208-301-A1

Kepler

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.02 billion

294 mm²

Die Size

87 mm²

Board Design

130W

TDP

25W

300 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.0

CUDA

3.5

5.1

Shader Model

5.1

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