NVIDIA GeForce GT 720A vs NVIDIA GeForce GT 640M Mac Edition

VS

NVIDIA GeForce GT 720A NVIDIA GeForce GT 640M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 720A and 512MB VRAM GeForce GT 640M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 720A 's Advantages

Released 1 years and 5 months late

More VRAM (1024GB vs 512GB)

NVIDIA GeForce GT 640M Mac Edition 's Advantages

Larger VRAM bandwidth (40.00GB/s vs 16.02GB/s)

288 additional rendering cores

Lower TDP (32W vs 33W)

Score

Benchmark

FP32 (float)

GeForce GT 720A

0.298 TFLOPS

GeForce GT 640M Mac Edition +91%

0.572 TFLOPS

GeForce GT 720A

VS

GeForce GT 640M Mac Edition

Graphics Card

Jul 2014

Release Date

Feb 2013

GeForce 700A

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1001 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

16.02GB/s

Bandwidth

40.00GB/s

Render Config

2

SM Count

-

Compute Units

-

96

Shading Units

384

16

TMUs

32

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

128 KB

Theoretical Performance

3.100 GPixel/s

Pixel Rate

5.960 GPixel/s

12.40 GTexel/s

Texture Rate

23.84 GTexel/s

-

FP16 (half)

-

297.6 GFLOPS

FP32 (float)

572.2 GFLOPS

24.80 GFLOPS

FP64 (double)

23.84 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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