NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce GTX 765M

Table of Contents

Graphics Processor

GPU model GF114 GK106
Architecture Fermi 2.0 Kepler
Foundry TSMC TSMC
Manufacturing process 40 nm 28 nm
Number of transistors 1,950 million 2,540 million
Die size 332 mm² 221 mm²
GPU variant N14E-GE-B-A1

Graphics Card

Release date Apr 24th, 2012
Generation GeForce 600
Production End-of-life
Interface PCIe 2.0 x16
Predecessor GeForce 500
Successor GeForce 700

Clocks

GPU clock 776 MHz
Shader clock 1552 MHz
Memory clock 957 MHz 3.8 Gbps effective 1002 MHz 4 Gbps effective
Base clock 797 MHz
Boost clock 863 MHz

Memory Configuration

Memory size 1024 MB 2 GB
Memory type GDDR5 GDDR5
Memory bus width 192 bit 128 bit
Bandwidth 91.87 GB/s 64.13 GB/s

Render Configuration

Shading units 288 768
TMUs 48 64
ROPs 24 16
SM count 6
Cache L1 64 KB (per SM) 16 KB (per SMX)
Cache L2 384 KB 256 KB
SMX count 4

Performance

Pixel rate 9.312 GPixel/s 13.81 GPixel/s
Texture rate 37.25 GTexel/s 55.23 GTexel/s
FP32 (float) performance 894.0 GFLOPS 1,326 GFLOPS
FP64 (double) performance 74.50 GFLOPS (1:12) 55.23 GFLOPS (1:24)

Dimensions & Outputs

Slot width Dual-slot MXM Module
Length 210 mm 8.3 inches
TDP 102 W 75 W
Suggested PSU 300 W
Outputs 2x DVI1x mini-HDMI No outputs

API Support & Features

DirectX 12 (11_0) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 1.1 3.0
Vulkan 1.1
CUDA 2.1 3.0
Shader model 5.1 5.1

Other Features

Mobile graphics

Release date May 30th, 2013
Generation GeForce 700M
Production End-of-life
Interface MXM-B (3.0)
Predecessor GeForce 600M
Successor GeForce 800M

Compare

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