NVIDIA GeForce GTX 680 vs NVIDIA GeForce GTX 650

VS

NVIDIA GeForce GTX 680

NVIDIA GeForce GTX 650

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 and 1024MB VRAM GeForce GTX 650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680 's Advantages

Boost Clock1058MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (192.3GB/s vs 80.00GB/s)

1152 additional rendering cores

NVIDIA GeForce GTX 650 's Advantages

Released 6 months late

Lower TDP (65W vs 195W)

Score

Benchmark

FP32 (float)

GeForce GTX 680 +300%

3.25 TFLOPS

GeForce GTX 650

0.812 TFLOPS

GeForce GTX 680

VS

GeForce GTX 650

Graphics Card

Mar 2012

Release Date

Sep 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

-

1058 MHz

Boost Clock

-

1502 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

192.3GB/s

Bandwidth

80.00GB/s

Render Config

-

1536

Shading Units

384

128

TMUs

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

33.86 GPixel/s

Pixel Rate

8.464 GPixel/s

135.4 GTexel/s

Texture Rate

33.86 GTexel/s

-

3.250 TFLOPS

FP32 (float)

812.5 GFLOPS

135.4 GFLOPS

FP64 (double)

33.86 GFLOPS

Board Design

195W

TDP

65W

450 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x mini-HDMI 1.4a

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GK104

GPU Name

GK107

GK104-400-A2

GPU Variant

GK107-450-A2

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.27 billion

294 mm²

Die Size

118 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

3.0

5.1

Shader Model

5.1

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