NVIDIA GeForce GTX 260M vs NVIDIA GeForce GT 640M

VS

NVIDIA GeForce GTX 260M

NVIDIA GeForce GT 640M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GTX 260M and 2GB VRAM GeForce GT 640M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 260M 's Advantages

Larger VRAM bandwidth (60.80GB/s vs 28.80GB/s)

NVIDIA GeForce GT 640M 's Advantages

Released 3 years late

More VRAM (2GB vs 1024GB)

272 additional rendering cores

Lower TDP (32W vs 65W)

Score

Benchmark

FP32 (float)

GeForce GTX 260M

0.308 TFLOPS

GeForce GT 640M +55%

0.48 TFLOPS

GeForce GTX 260M

VS

GeForce GT 640M

Graphics Card

Mar 2009

Release Date

Mar 2012

GeForce 200M

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

950 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

128bit

60.80GB/s

Bandwidth

28.80GB/s

Render Config

-

14

SM Count

-

112

Shading Units

384

56

TMUs

32

16

ROPs

16

-

L1 Cache

16 KB (per SMX)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

8.800 GPixel/s

Pixel Rate

5.000 GPixel/s

30.80 GTexel/s

Texture Rate

20.00 GTexel/s

-

308.0 GFLOPS

FP32 (float)

480.0 GFLOPS

-

FP64 (double)

20.00 GFLOPS

Board Design

65W

TDP

32W

-

No outputs

Outputs

No outputs

-

Graphics Processor

G92

GPU Name

GK107

N10E-GT

GPU Variant

N13P-GS

Tesla

Architecture

Kepler

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.754 billion

Transistors

1.27 billion

324 mm²

Die Size

118 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

CUDA

3.0

4.0

Shader Model

5.1

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