NVIDIA GeForce 720M vs NVIDIA GeForce GT 645M

VS

NVIDIA GeForce 720M NVIDIA GeForce GT 645M

We compared two Mobile platform GPUs: 2GB VRAM GeForce 720M and 2GB VRAM GeForce GT 645M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 720M 's Advantages

Released 6 months late

NVIDIA GeForce GT 645M 's Advantages

Larger VRAM bandwidth (28.80GB/s vs 12.80GB/s)

288 additional rendering cores

Lower TDP (32W vs 33W)

Score

Benchmark

FP32 (float)

GeForce 720M

0.24 TFLOPS

GeForce GT 645M +126%

0.544 TFLOPS

GeForce 720M

VS

GeForce GT 645M

Graphics Card

Apr 2013

Release Date

Oct 2012

GeForce 700M

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

12.80GB/s

Bandwidth

28.80GB/s

Render Config

2

SM Count

-

Compute Units

-

96

Shading Units

384

16

TMUs

32

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

256 KB

Theoretical Performance

2.500 GPixel/s

Pixel Rate

5.672 GPixel/s

10.00 GTexel/s

Texture Rate

22.69 GTexel/s

-

FP16 (half)

-

240.0 GFLOPS

FP32 (float)

544.5 GFLOPS

20.00 GFLOPS

FP64 (double)

22.69 GFLOPS

Graphics Processor

GF117

GPU Name

GK107

N14M-GE

GPU Variant

N13P-GS

Fermi 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.585 billion

Transistors

1.27 billion

116 mm²

Die Size

118 mm²

Board Design

33W

TDP

32W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.1

CUDA

3.0

5.1

Shader Model

5.1

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