NVIDIA GeForce GT 730A vs NVIDIA GeForce GT 640M Mac Edition

VS

NVIDIA GeForce GT 730A

NVIDIA GeForce GT 640M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 730A 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 730A 's Advantages

Released 1 years and 5 months late

More VRAM (2GB vs 512GB)

NVIDIA GeForce GT 640M Mac Edition 's Advantages

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

Lower TDP (32W vs 33W)

Score

Benchmark

FP32 (float)

GeForce GT 730A

0.552 TFLOPS

GeForce GT 640M Mac Edition +3%

0.572 TFLOPS

GeForce GT 730A

VS

GeForce GT 640M Mac Edition

Graphics Card

Jul 2014

Release Date

Feb 2013

GeForce 700A

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1001 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

16.02GB/s

Bandwidth

40.00GB/s

Render Config

-

384

Shading Units

384

32

TMUs

32

8

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

5.752 GPixel/s

Pixel Rate

5.960 GPixel/s

23.01 GTexel/s

Texture Rate

23.84 GTexel/s

-

552.2 GFLOPS

FP32 (float)

572.2 GFLOPS

23.01 GFLOPS

FP64 (double)

23.84 GFLOPS

Board Design

33W

TDP

32W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK208

GPU Name

GK107

GT 730M

GPU Variant

N13P-GS

Kepler 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.02 billion

Transistors

1.27 billion

87 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

3.5

CUDA

3.0

5.1

Shader Model

5.1

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