NVIDIA GeForce 8800M GTS vs NVIDIA GeForce GT 640M

VS

NVIDIA GeForce 8800M GTS

NVIDIA GeForce GT 640M

We compared two Mobile platform GPUs: 512MB VRAM GeForce 8800M GTS 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 8800M GTS 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 28.80GB/s)

NVIDIA GeForce GT 640M 's Advantages

Released 4 years and 4 months late

More VRAM (2GB vs 512GB)

320 additional rendering cores

Lower TDP (32W vs 50W)

Score

Benchmark

FP32 (float)

GeForce 8800M GTS

0.16 TFLOPS

GeForce GT 640M +200%

0.48 TFLOPS

GeForce 8800M GTS

VS

GeForce GT 640M

Graphics Card

Nov 2007

Release Date

Mar 2012

GeForce 8M

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-HE

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

128bit

51.20GB/s

Bandwidth

28.80GB/s

Render Config

-

8

SM Count

-

64

Shading Units

384

32

TMUs

32

16

ROPs

16

-

L1 Cache

16 KB (per SMX)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

5.000 GPixel/s

16.00 GTexel/s

Texture Rate

20.00 GTexel/s

-

160.0 GFLOPS

FP32 (float)

480.0 GFLOPS

-

FP64 (double)

20.00 GFLOPS

Board Design

50W

TDP

32W

-

No outputs

Outputs

No outputs

-

Graphics Processor

G92

GPU Name

GK107

NB8E-GT-A2

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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