NVIDIA GeForce GT 640 OEM vs NVIDIA NVS 810

Table of Contents

Graphics Processor

GPU model GK107 GM107
GPU variant GK107-320-A2
Architecture Kepler Maxwell
Foundry TSMC TSMC
Manufacturing process 28 nm 28 nm
Number of transistors 1,270 million 1,870 million
Die size 118 mm² 148 mm²

Graphics Card

Release date Apr 24th, 2012 Nov 4th, 2015
Generation GeForce 600 NVS
Production End-of-life End-of-life
Interface PCIe 3.0 x16 PCIe 3.0 x16
Predecessor GeForce 500
Successor GeForce 700

Clocks

GPU clock 797 MHz
Memory clock 891 MHz 1782 Mbps effective 900 MHz 1800 Mbps effective
Base clock 902 MHz
Boost clock 1033 MHz

Memory Configuration

Memory size 2 GB 2 GB
Memory type DDR3 DDR3
Memory bus width 128 bit 64 bit
Bandwidth 28.51 GB/s 14.40 GB/s

Render Configuration

Shading units 384 512
TMUs 32 32
ROPs 16 16
SMX count 2
Cache L1 16 KB (per SMX) 64 KB (per SMM)
Cache L2 256 KB 1024 KB
SMM count 4

Performance

Pixel rate 6.376 GPixel/s 16.53 GPixel/s
Texture rate 25.50 GTexel/s 33.06 GTexel/s
FP32 (float) performance 612.1 GFLOPS 1,058 GFLOPS
FP64 (double) performance 25.50 GFLOPS (1:24) 33.06 GFLOPS (1:32)

Dimensions & Outputs

Slot width Single-slot Single-slot
Length 145 mm 5.7 inches 198 mm 7.8 inches
TDP 50 W 68 W
Suggested PSU 250 W 250 W
Outputs 1x DVI1x HDMI1x DisplayPort 8x mini-DisplayPort
Power connectors None None
Board number P2010 P2010

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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