NVIDIA GeForce GT 340 OEM vs NVIDIA GeForce 840M

What is the difference between NVIDIA GeForce GT 340 OEM and NVIDIA GeForce 840M. Find out which graphics card has better performance.

Graphics Processor (GPU)

GT215GPU NameGM108
GT215-301-A3Model numberN15S-GT
Tesla 2.0ArchitectureMaxwell
TSMCFoundryTSMC
40 nmProcess Size28 nm
727 millionTransistorsunknown
144 mm²Die Sizeunknown

Graphics Card

Feb 2nd, 2010Release DateMar 12th, 2014
GeForce 300FamilyGeForce 800M
End-of-lifeProductionEnd-of-life
GeForce 200PredecessorGeForce 700M
PCIe 2.0 x16Bus InterfacePCIe 3.0 x8

Memory

1024 MBMemory Size2 GB
GDDR3Memory TypeDDR3
128 bitMemory Bus64 bit
27.20 GB/sBandwidth16.02 GB/s

Performance

4.400 GPixel/sPixel fillrate8.992 GPixel/s
17.60 GTexel/sTexture fillrate17.98 GTexel/s
257.3 GFLOPSFP32 (float) performance863.2 GFLOPS

Clock Speeds

850 MHz
1700 Mbps effective
Memory Clock1001 MHz
2 Gbps effective

Render Config

96Shading Units384
32TMUs16
8ROPs8
64 KBL2 Cache1024 KB

Board Design

Single-slotSlot WidthIGP
69 WThermal design power (TDP)33 W
1x DVI
1x HDMI
1x VGA
Display ConnectorsNo outputs

API support

11.1 (10_1)DirectX12 (11_0)
3.3OpenGL4.6
1.1OpenCL3.0
N/AVulkan1.1
4.1Shader Model5.1
1.2CUDA5.0