GeForce GTX 770M vs Iris Plus Graphics 655

When comparing GeForce GTX 770M and Iris Plus Graphics 655, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GeForce GTX 770M and Iris Plus Graphics 655 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

GeForce GTX 770M and Iris Plus Graphics 655 are Laptop Graphics Cards

Note: GeForce GTX 770M and Iris Plus Graphics 655 are only used in laptop graphics. They have 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 GeForce GTX 770M or Iris Plus Graphics 655 here:

Main Specs

  GeForce GTX 770M Iris Plus Graphics 655
Power consumption (TDP) 75 Watt 15 Watt
Interface MXM-B (3.0) PCIe 3.0 x1
Supplementary power connectors None
Memory type GDDR5 DDR3/DDR4
Maximum RAM amount 3 GB
Display Connectors No outputs No outputs
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  • GeForce GTX 770M has 400% more power consumption, than Iris Plus Graphics 655.
  • GeForce GTX 770M is connected by MXM-B (3.0), and Iris Plus Graphics 655 uses PCIe 3.0 x1 interface.
  • Both cards are used in Laptops.
  • GeForce GTX 770M is build with Kepler architecture, and Iris Plus Graphics 655 - with Gen. 9.5 Kaby Lake.
  • Core clock speed of GeForce GTX 770M is 511 MHz higher, than Iris Plus Graphics 655.
  • GeForce GTX 770M is manufactured by 28 nm process technology, and Iris Plus Graphics 655 - by 14 nm process technology.

Game benchmarks

high / 1080p 14−16 12−14
ultra / 1080p 8−9 7−8
QHD / 1440p 3−4 2−3
low / 720p 30−33 27−30
medium / 1080p 16−18 16−18
The average gaming FPS of GeForce GTX 770M in Assassin's Creed Odyssey is 15% more, than Iris Plus Graphics 655.

Full Specs

  GeForce GTX 770M Iris Plus Graphics 655
Architecture Kepler Gen. 9.5 Kaby Lake
Code name N14E-GS Kaby Lake GT3e
Type Laptop Laptop
Release date 30 May 2013 1 September 2017
Pipelines 960 48
Core clock speed 811 MHz 300 MHz
Boost Clock 797 MHz 1200 MHz
Transistor count 2,540 million 189 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 63.76 50.40
Floating-point performance 1,530 gflops
Memory bus width 192 Bit
Memory clock speed 2000 MHz
Memory bandwidth 96.0 GB/s
Shared memory - +
DirectX 12 API 12 (12_1)
Shader Model 5.1 6.4
OpenGL 4.5 4.6
OpenCL 1.1 2.1
Vulkan 1.1.126 1.1.103
CUDA +
CUDA cores 960
Bus support PCI Express 3.0, PCI Express 2.0
SLI options +
HDMI +
Bitcoin / BTC (SHA256) 55 Mh/s
Laptop size large
Standard memory configuration GDDR5
eDP 1.2 signal support Up to 3840x2160
LVDS signal support Up to 1920x1200
DisplayPort Multimode (DP++) support Up to 3840x2160
HDCP content protection +
7.1 channel HD audio on HDMI +
TrueHD and DTS-HD audio bitstreaming +
H.264, VC1, MPEG2 1080p video decoder +
Optimus +
Quick Sync +
Blu-Ray 3D Support +
3D Vision / 3DTV Play +
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