NVIDIA GeForce GTX 680M vs NVIDIA GeForce GT 650M

VS

NVIDIA GeForce GTX 680M NVIDIA GeForce GT 650M

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 680M and 1024MB VRAM GeForce GT 650M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680M 's Advantages

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (115.2GB/s vs 28.80GB/s)

960 additional rendering cores

NVIDIA GeForce GT 650M 's Advantages

Boost Clock has increased by 25% (950MHz vs 758MHz)

Lower TDP (45W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 680M +179%

2.038 TFLOPS

GeForce GT 650M

0.73 TFLOPS

GeForce GTX 680M

VS

GeForce GT 650M

Graphics Card

Jun 2012

Release Date

Mar 2012

GeForce 600M

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

719 MHz

Base Clock

835 MHz

758 MHz

Boost Clock

950 MHz

900 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

Compute Units

-

1344

Shading Units

384

112

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

Theoretical Performance

21.22 GPixel/s

Pixel Rate

7.600 GPixel/s

84.90 GTexel/s

Texture Rate

30.40 GTexel/s

-

FP16 (half)

-

2.038 TFLOPS

FP32 (float)

729.6 GFLOPS

84.90 GFLOPS

FP64 (double)

30.40 GFLOPS

Graphics Processor

GK104

GPU Name

GK107

N13E-GTX-A2

GPU Variant

N13P-GT-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

Board Design

100W

TDP

45W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

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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