NVIDIA GeForce GTX 660 vs NVIDIA GeForce GTX 750 Ti

Table of Contents

Graphics Processor

GPU model GK106 GM107
GPU variant GK106-400-A1 GM107-400-A2
Architecture Kepler Maxwell
Foundry TSMC TSMC
Manufacturing process 28 nm 28 nm
Number of transistors 2,540 million 1,870 million
Die size 221 mm² 148 mm²

Graphics Card

Release date Sep 6th, 2012 Feb 18th, 2014
Generation GeForce 600 GeForce 700
Production End-of-life End-of-life
Launch price 229 USD 149 USD
Interface PCIe 3.0 x16 PCIe 3.0 x16
Reviews 77 in our database 69 in our database
Predecessor GeForce 500 GeForce 600
Successor GeForce 700 GeForce 900

Clocks

Base clock 980 MHz 1020 MHz
Boost clock 1032 MHz 1085 MHz
Memory clock 1502 MHz 6 Gbps effective 1350 MHz 5.4 Gbps effective

Memory Configuration

Memory size 2 GB 2 GB
Memory type GDDR5 GDDR5
Memory bus width 192 bit 128 bit
Bandwidth 144.2 GB/s 86.40 GB/s

Render Configuration

Shading units 960 640
TMUs 80 40
ROPs 24 16
SMX count 5
Cache L1 16 KB (per SMX) 64 KB (per SMM)
Cache L2 384 KB 2 MB
SMM count 5

Performance

Pixel rate 20.64 GPixel/s 17.36 GPixel/s
Texture rate 82.56 GTexel/s 43.40 GTexel/s
FP32 (float) performance 1.981 TFLOPS 1,389 GFLOPS
FP64 (double) performance 82.56 GFLOPS (1:24) 43.40 GFLOPS (1:32)

Dimensions & Outputs

Slot width Dual-slot Single-slot
Length 241 mm 9.5 inches 145 mm 5.7 inches
TDP 140 W 60 W
Suggested PSU 300 W 250 W
Outputs 2x DVI1x HDMI1x DisplayPort 2x DVI1x mini-HDMI
Power connectors 1x 6-pin None
Board number P2030 P2010 SKU 50

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 5.0
Shader model 5.1 5.1

Other Features

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