NVIDIA GeForce GTX 680MX Mac Edition vs NVIDIA GeForce GTX 775M Mac Edition

Table of Contents

Graphics Processor

GPU model GK104 GK104
GPU variant N13E-GTX2-A2 N13E-GTX-A2
Architecture Kepler Kepler
Foundry TSMC TSMC
Manufacturing process 28 nm 28 nm
Number of transistors 3,540 million 3,540 million
Die size 294 mm² 294 mm²

Mobile graphics

Release date Oct 23rd, 2012 Nov 8th, 2013
Generation GeForce 600M GeForce 700M
Production End-of-life End-of-life
Interface PCIe 3.0 x16 MXM-B (3.0)
Predecessor GeForce 500M GeForce 600M
Successor GeForce 700M GeForce 800M

Clocks

GPU clock 719 MHz 797 MHz
Memory clock 1250 MHz 5 Gbps effective 1250 MHz 5 Gbps effective

Memory Configuration

Memory size 2 GB 2 GB
Memory type GDDR5 GDDR5
Memory bus width 256 bit 256 bit
Bandwidth 160.0 GB/s 160.0 GB/s

Render Configuration

Shading units 1536 1344
TMUs 128 112
ROPs 32 32
SMX count 8 7
Cache L1 16 KB (per SMX) 16 KB (per SMX)
Cache L2 512 KB 512 KB

Performance

Pixel rate 23.01 GPixel/s 22.32 GPixel/s
Texture rate 92.03 GTexel/s 89.26 GTexel/s
FP32 (float) performance 2.209 TFLOPS 2.142 TFLOPS
FP64 (double) performance 92.03 GFLOPS (1:24) 89.26 GFLOPS (1:24)

Dimensions & Outputs

TDP 122 W 100 W
Outputs No outputs No outputs
Slot width MXM Module

API Support & Features

DirectX 12 (11_0) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 3.0 3.0
Vulkan 1.1 1.1
CUDA 3.0 3.0
Shader model 5.1 5.1

Other Features

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