NVIDIA GeForce GT 640M Mac Edition: GPU Specs & Benchmarks

The GeForce GT 640M Mac Edition is a graphics card by NVIDIA, built on the 28 nm process and based on the GK107 graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

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Graphics Processor (GPU)

GPU Name

GK107

Model number

N13P-GS

Architecture

Kepler

Foundry

TSMC

Process Size

28 nm

Transistors

1,270 million

Die Size

118 mm²

Graphics Card

Release Date

Feb 3rd, 2013

Family

GeForce 600M

Production

End-of-life

Predecessor

GeForce 500M

Bus Interface

PCIe 3.0 x16

Memory

Memory Size

512 MB

Memory Type

GDDR5

Memory Bus

64 bit

Bandwidth

40.00 GB/s

Performance

Pixel fillrate

5.960 GPixel/s

Texture fillrate

23.84 GTexel/s

FP32 (float) performance

572.2 GFLOPS

FP64 (double) performance

23.84 GFLOPS (1:24)

Clock Speeds

Memory Clock

1250 MHz
5 Gbps effective

GPU Clock

745 MHz

Render Config

Shading Units

384

TMUs

32

ROPs

8

L1 Cache

16 KB (per SMX)

L2 Cache

128 KB

Board Design

Thermal design power (TDP)

32 W

Display Connectors

No outputs

API support

DirectX

12 (11_0)

OpenGL

4.6

OpenCL

3.0

Vulkan

1.1

Shader Model

5.1

CUDA

3.0