NVIDIA GeForce 810M vs NVIDIA GeForce GT 640M Mac Edition

VS

NVIDIA GeForce 810M

NVIDIA GeForce GT 640M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM GeForce 810M 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 810M 's Advantages

Released 2 years and 1 months late

Boost Clock950MHz

More VRAM (2GB vs 512GB)

NVIDIA GeForce GT 640M Mac Edition 's Advantages

Larger VRAM bandwidth (40.00GB/s vs 14.40GB/s)

Lower TDP (32W vs 45W)

Score

Benchmark

FP32 (float)

GeForce 810M +27%

0.73 TFLOPS

GeForce GT 640M Mac Edition

0.572 TFLOPS

GeForce 810M

VS

GeForce GT 640M Mac Edition

Graphics Card

Mar 2015

Release Date

Feb 2013

GeForce 800M

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

835 MHz

Base Clock

-

950 MHz

Boost Clock

-

900 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

40.00GB/s

Render Config

-

384

Shading Units

384

32

TMUs

32

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

7.600 GPixel/s

Pixel Rate

5.960 GPixel/s

30.40 GTexel/s

Texture Rate

23.84 GTexel/s

-

729.6 GFLOPS

FP32 (float)

572.2 GFLOPS

30.40 GFLOPS

FP64 (double)

23.84 GFLOPS

Board Design

45W

TDP

32W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

GK107

-

GPU Variant

N13P-GS

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

1.27 billion

118 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

3.0

CUDA

3.0

5.1

Shader Model

5.1

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