GeForce GT 740 vs Iris Plus Graphics 655

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 740 and Iris Plus Graphics 655. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce GT 740 and Iris Plus Graphics 655. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Iris Plus Graphics 655 is a Laptop Graphics Card

Note: Iris Plus Graphics 655 is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Iris Plus Graphics 655 here:

Main Specs

  GeForce GT 740 Iris Plus Graphics 655
Power consumption (TDP) 64 Watt 15 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x1
Supplementary power connectors 1x 6-pin
Memory type GDDR5 DDR3/DDR4
Maximum RAM amount 1 GB
Display Connectors 2x DVI, 1x mini-HDMI No outputs
  Check Price Check Price
  • GeForce GT 740 has 326% more power consumption, than Iris Plus Graphics 655.
  • GeForce GT 740 is connected by PCIe 3.0 x16, and Iris Plus Graphics 655 uses PCIe 3.0 x1 interface.
  • GeForce GT 740 is used in Desktops, and Iris Plus Graphics 655 - in Laptops.
  • GeForce GT 740 is build with Kepler architecture, and Iris Plus Graphics 655 - with Gen. 9.5 Kaby Lake.
  • Core clock speed of GeForce GT 740 is 693 MHz higher, than Iris Plus Graphics 655.
  • GeForce GT 740 is manufactured by 28 nm process technology, and Iris Plus Graphics 655 - by 14 nm process technology.

Game benchmarks

high / 1080p 7−8 12−14
ultra / 1080p 4−5 7−8
QHD / 1440p 0−1 2−3
low / 720p 16−18 27−30
medium / 1080p 8−9 16−18
The average gaming FPS of Iris Plus Graphics 655 in Assassin's Creed Odyssey is 77% more, than GeForce GT 740.

Full Specs

  GeForce GT 740 Iris Plus Graphics 655
Architecture Kepler Gen. 9.5 Kaby Lake
Code name GK107 Kaby Lake GT3e
Type Desktop Laptop
Release date 29 May 2014 1 September 2017
Pipelines 384 48
Core clock speed 993 MHz 300 MHz
Boost Clock 1200 MHz
Transistor count 1,270 million 189 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 31.78 50.40
Floating-point performance 762.6 gflops
Length 145 mm
Memory bus width 128 Bit
Memory clock speed 5012 MHz
Memory bandwidth 80.19 GB/s
Shared memory +
DirectX 12 (11_0) 12 (12_1)
Shader Model 5.1 6.4
OpenGL 4.6 4.6
OpenCL 1.2 2.1
Vulkan 1.1.126 1.1.103
CUDA 3.0
Bitcoin / BTC (SHA256) 25 Mh/s
Quick Sync +
  Check Price Check Price