GeForce GTX 850M vs Iris Pro Graphics 580

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 850M and Iris Pro Graphics 580. 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 GTX 850M and Iris Pro Graphics 580. 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.

GeForce GTX 850M and Iris Pro Graphics 580 are Laptop Graphics Cards

Note: GeForce GTX 850M and Iris Pro Graphics 580 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 850M or Iris Pro Graphics 580 here:

Main Specs

  GeForce GTX 850M Iris Pro Graphics 580
Power consumption (TDP) 45 Watt 15 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x1
Memory type DDR3, GDDR5 DDR3L/LPDDR3/DDR4
Maximum RAM amount 4 GB 64 GB
Display Connectors No outputs No outputs
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  • GeForce GTX 850M has 200% more power consumption, than Iris Pro Graphics 580.
  • GeForce GTX 850M is connected by PCIe 3.0 x16, and Iris Pro Graphics 580 uses PCIe 3.0 x1 interface.
  • Iris Pro Graphics 580 has 60 GB more memory, than GeForce GTX 850M.
  • Both cards are used in Laptops.
  • GeForce GTX 850M is build with Maxwell architecture, and Iris Pro Graphics 580 - with Gen. 9 Skylake.
  • GeForce GTX 850M is manufactured by 28 nm process technology, and Iris Pro Graphics 580 - by 14 nm process technology.

Game benchmarks

high / 1080p 12−14 9−10
ultra / 1080p 8−9 5−6
QHD / 1440p 2−3 0−1
low / 720p 27−30 20−22
medium / 1080p 16−18 10−12
The average gaming FPS of GeForce GTX 850M in Assassin's Creed Odyssey is 45% more, than Iris Pro Graphics 580.

Full Specs

  GeForce GTX 850M Iris Pro Graphics 580
Architecture Maxwell Gen. 9 Skylake
Code name N15P-GT Skylake GT4e
Type Laptop Laptop
Release date 12 March 2014 1 September 2015
Pipelines 640 72
Core clock speed 350 MHz
Boost Clock 1050 MHz
Transistor count 1,870 million 189 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 36.08 72.00
Floating-point performance 1,155 gflops
Memory bus width 128 Bit
Memory bandwidth 80.0 GB/s
Shared memory - +
DirectX 12 (11_0) 12 (12_1)
Shader Model 5.1 6.4
OpenGL 4.5 4.6
OpenCL 1.1 2.1
Vulkan 1.1.126 1.1.97
CUDA +
CUDA cores 640
Bus support PCI Express 2.0, PCI Express 3.0
SLI options +
HDMI +
Bitcoin / BTC (SHA256) 153 Mh/s
Laptop size medium sized
Standard memory configuration DDR3 or 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 +
Ethereum / ETH (DaggerHashimoto) 1.8 Mh/s
Quick Sync +
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