GeForce GTX 650 vs Iris Pro Graphics P580

When comparing GeForce GTX 650 and Iris Pro Graphics P580, 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 650 and Iris Pro Graphics P580 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Iris Pro Graphics P580 is a Laptop Graphics Card

Note: Iris Pro Graphics P580 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 Pro Graphics P580 here:

Main Specs

  GeForce GTX 650 Iris Pro Graphics P580
Power consumption (TDP) 64 Watt 15 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x1
Supplementary power connectors One 6-pin
Memory type GDDR5 DDR3L/LPDDR3/DDR4
Maximum RAM amount 2 GB 64 GB
Display Connectors 2x DVI, 1x mini-HDMI No outputs
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  • GeForce GTX 650 has 326% more power consumption, than Iris Pro Graphics P580.
  • GeForce GTX 650 is connected by PCIe 3.0 x16, and Iris Pro Graphics P580 uses PCIe 3.0 x1 interface.
  • Iris Pro Graphics P580 has 62 GB more memory, than GeForce GTX 650.
  • GeForce GTX 650 is used in Desktops, and Iris Pro Graphics P580 - in Laptops.
  • GeForce GTX 650 is build with Kepler architecture, and Iris Pro Graphics P580 - with Gen. 9 Skylake.
  • Core clock speed of GeForce GTX 650 is 708 MHz higher, than Iris Pro Graphics P580.
  • GeForce GTX 650 is manufactured by 28 nm process technology, and Iris Pro Graphics P580 - by 14 nm process technology.

Game benchmarks

high / 1080p 8−9 10−11
ultra / 1080p 5−6 6−7
QHD / 1440p 0−1 0−1
low / 720p 18−20 21−24
medium / 1080p 10−11 12−14
The average gaming FPS of Iris Pro Graphics P580 in Assassin's Creed Odyssey is 30% more, than GeForce GTX 650.

Full Specs

  GeForce GTX 650 Iris Pro Graphics P580
Architecture Kepler Gen. 9 Skylake
Code name GK107 Skylake GT4e
Type Desktop Laptop
Release date 6 September 2012 1 September 2015
Pipelines 384 72
Core clock speed 1058 MHz 350 MHz
Boost Clock 1100 MHz
Transistor count 1,270 million 189 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 33.9 billion/sec 75.60
Floating-point performance 812.5 gflops
Length 5.70" (14.5 cm)
Memory bus width 128-bit GDDR5
Memory clock speed 5.0 GB/s
Memory bandwidth 80.0 GB/s
Shared memory +
DirectX 12 (11_0) 12 (12_1)
Shader Model 5.1 6.4
OpenGL 4.3 4.6
OpenCL 1.2 2.1
Vulkan 1.1.126 1.1.97
CUDA +
CUDA cores 384
Bus support PCI Express 3.0
Height 4.38" (11.1 cm)
Multi monitor support 4 displays
HDMI +
HDCP +
Maximum VGA resolution 2048x1536
Audio input for HDMI Internal
3D Blu-Ray +
3D Gaming +
3D Vision +
Bitcoin / BTC (SHA256) 26 Mh/s
Quick Sync +
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