NVIDIA GeForce GT 730A vs NVIDIA GeForce GT 645M

VS

NVIDIA GeForce GT 730A

NVIDIA GeForce GT 645M

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

Released 1 years and 9 months late

NVIDIA GeForce GT 645M 's Advantages

Larger VRAM bandwidth (28.80GB/s vs 16.02GB/s)

Lower TDP (32W vs 33W)

Score

Benchmark

FP32 (float)

GeForce GT 730A +1%

0.552 TFLOPS

GeForce GT 645M

0.544 TFLOPS

GeForce GT 730A

VS

GeForce GT 645M

Graphics Card

Jul 2014

Release Date

Oct 2012

GeForce 700A

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1001 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

28.80GB/s

Render Config

-

384

Shading Units

384

32

TMUs

32

8

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

5.752 GPixel/s

Pixel Rate

5.672 GPixel/s

23.01 GTexel/s

Texture Rate

22.69 GTexel/s

-

552.2 GFLOPS

FP32 (float)

544.5 GFLOPS

23.01 GFLOPS

FP64 (double)

22.69 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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