NVIDIA GeForce GTX 680 vs NVIDIA GeForce GTX 660 OEM

VS

NVIDIA GeForce GTX 680 NVIDIA GeForce GTX 660 OEM

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 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 GTX 680 's Advantages

Boost Clock has increased by 19% (1058MHz vs 888MHz)

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (192.3GB/s vs 134.4GB/s)

384 additional rendering cores

NVIDIA GeForce GTX 660 OEM 's Advantages

Lower TDP (130W vs 195W)

Score

Benchmark

FP32 (float)

GeForce GTX 680 +58%

3.25 TFLOPS

GeForce GTX 660 OEM

2.046 TFLOPS

GeForce GTX 680

VS

GeForce GTX 660 OEM

Graphics Card

Mar 2012

Release Date

Aug 2012

GeForce 600

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1006 MHz

Base Clock

823 MHz

1058 MHz

Boost Clock

888 MHz

1502 MHz

Memory Clock

1400 MHz

Memory

2GB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

192.3GB/s

Bandwidth

134.4GB/s

Render Config

-

SM Count

-

Compute Units

-

1536

Shading Units

1152

128

TMUs

96

32

ROPs

24

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

384 KB

Theoretical Performance

33.86 GPixel/s

Pixel Rate

21.31 GPixel/s

135.4 GTexel/s

Texture Rate

85.25 GTexel/s

-

FP16 (half)

-

3.250 TFLOPS

FP32 (float)

2.046 TFLOPS

135.4 GFLOPS

FP64 (double)

85.25 GFLOPS

Graphics Processor

GK104

GPU Name

GK104

GK104-400-A2

GPU Variant

GK104-200-KD-A2

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

3.54 billion

294 mm²

Die Size

294 mm²

Board Design

195W

TDP

130W

450 W

Suggested PSU

300 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin

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

3.0

5.1

Shader Model

5.1

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