NVIDIA GeForce GT 230M vs NVIDIA GeForce GT 645M

VS

NVIDIA GeForce GT 230M

NVIDIA GeForce GT 645M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 230M 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 230M 's Advantages

Lower TDP (23W vs 32W)

NVIDIA GeForce GT 645M 's Advantages

Released 3 years and 4 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (28.80GB/s vs 25.60GB/s)

336 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 230M

0.106 TFLOPS

GeForce GT 645M +413%

0.544 TFLOPS

GeForce GT 230M

VS

GeForce GT 645M

Graphics Card

Jun 2009

Release Date

Oct 2012

GeForce 200M

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

28.80GB/s

Render Config

-

6

SM Count

-

48

Shading Units

384

16

TMUs

32

8

ROPs

16

-

L1 Cache

16 KB (per SMX)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

4.000 GPixel/s

Pixel Rate

5.672 GPixel/s

8.000 GTexel/s

Texture Rate

22.69 GTexel/s

-

105.6 GFLOPS

FP32 (float)

544.5 GFLOPS

-

FP64 (double)

22.69 GFLOPS

Board Design

23W

TDP

32W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GT216

GPU Name

GK107

N10P-GE-A2

GPU Variant

N13P-GS

Tesla 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.486 billion

Transistors

1.27 billion

100 mm²

Die Size

118 mm²

Graphics Features

11.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

1.2

CUDA

3.0

4.1

Shader Model

5.1

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