GeForce GT 645M vs UHD Graphics 615

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 645M and UHD Graphics 615. 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 645M and UHD Graphics 615. 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 GT 645M and UHD Graphics 615 are Laptop Graphics Cards

Note: GeForce GT 645M and UHD Graphics 615 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 GT 645M or UHD Graphics 615 here:

Main Specs

  GeForce GT 645M UHD Graphics 615
Power consumption (TDP) 32 Watt 15 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x1
Memory type DDR3\GDDR5 DDR3L/LPDDR3
Maximum RAM amount 2 GB
Display Connectors No outputs No outputs
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  • GeForce GT 645M has 113% more power consumption, than UHD Graphics 615.
  • GeForce GT 645M is connected by PCIe 3.0 x16, and UHD Graphics 615 uses PCIe 3.0 x1 interface.
  • Both cards are used in Laptops.
  • GeForce GT 645M is build with Kepler architecture, and UHD Graphics 615 - with Gen. 9 Amber Lake.
  • GeForce GT 645M is manufactured by 28 nm process technology, and UHD Graphics 615 - by 14 nm process technology.

Game benchmarks

high / 1080p 1−2 0−1
ultra / 1080p 0−1 0−1
QHD / 1440p 0−1 0−1
low / 720p 12−14 10−11
medium / 1080p 2−3 1−2
The average gaming FPS of GeForce GT 645M in Assassin's Creed Odyssey is 16% more, than UHD Graphics 615.

Full Specs

  GeForce GT 645M UHD Graphics 615
Architecture Kepler Gen. 9 Amber Lake
Code name N13P-GS Kaby-Lake GT2
Type Laptop Laptop
Release date 22 March 2012 30 August 2018
Pipelines 384 24
Core clock speed 300 MHz
Boost Clock 1000 MHz
Transistor count 1,270 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 22.7 billion/sec 25.20
Floating-point performance 544.5 gflops
Memory bus width 128bit 64/128 Bit
Memory clock speed 1800 MHz
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 384
Bus support PCI Express 2.0, PCI Express 3.0
HDMI +
HDCP +
Maximum VGA resolution Up to 2048x1536
3D Blu-Ray +
Bitcoin / BTC (SHA256) 19 Mh/s
Laptop size medium sized
Optimus +
Quick Sync +
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