NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce GTX 780

VS

NVIDIA GeForce GTX 660 OEM

NVIDIA GeForce GTX 780

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 3GB VRAM GeForce GTX 780 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages

Lower TDP (130W vs 250W)

NVIDIA GeForce GTX 780 's Advantages

Released 9 months late

Boost Clock has increased by 2% (902MHz vs 888MHz)

More VRAM (3GB vs 1536GB)

Larger VRAM bandwidth (288.4GB/s vs 134.4GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM

2.046 TFLOPS

GeForce GTX 780 +103%

4.156 TFLOPS

GeForce GTX 660 OEM

VS

GeForce GTX 780

Graphics Card

Aug 2012

Release Date

May 2013

GeForce 600

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

823 MHz

Base Clock

863 MHz

888 MHz

Boost Clock

902 MHz

1400 MHz

Memory Clock

1502 MHz

Memory

1536MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

384bit

134.4GB/s

Bandwidth

288.4GB/s

Render Config

-

1152

Shading Units

2304

96

TMUs

192

24

ROPs

48

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

384 KB

L2 Cache

1536 KB

-

Theoretical Performance

21.31 GPixel/s

Pixel Rate

43.30 GPixel/s

85.25 GTexel/s

Texture Rate

173.2 GTexel/s

-

2.046 TFLOPS

FP32 (float)

4.156 TFLOPS

85.25 GFLOPS

FP64 (double)

173.2 GFLOPS

Board Design

130W

TDP

250W

300 W

Suggested PSU

600 W

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

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK104

GPU Name

GK110

GK104-200-KD-A2

GPU Variant

GK110-300-A1

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

7.08 billion

294 mm²

Die Size

561 mm²

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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