FirePro W7100 vs GeForce GT 645M

When comparing FirePro W7100 and GeForce GT 645M, 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 FirePro W7100 and GeForce GT 645M is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

GeForce GT 645M is a Laptop Graphics Card

Note: GeForce GT 645M 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 GeForce GT 645M here:

Main Specs

  FirePro W7100 GeForce GT 645M
Power consumption (TDP) 400 Watt 32 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin
Memory type GDDR5 DDR3\GDDR5
Maximum RAM amount 8 GB 2 GB
Display Connectors 4x DisplayPort No outputs
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  • FirePro W7100 has 1150% more power consumption, than GeForce GT 645M.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • FirePro W7100 has 6 GB more memory, than GeForce GT 645M.
  • FirePro W7100 is used in Desktops, and GeForce GT 645M - in Laptops.
  • FirePro W7100 is build with GCN 3.0 architecture, and GeForce GT 645M - with Kepler.
  • FirePro W7100 and GeForce GT 645M are manufactured by 28 nm process technology.
  • Memory clock speed of FirePro W7100 is 3200 MHz higher, than GeForce GT 645M.

Game benchmarks

high / 1080p 35−40 1−2
ultra / 1080p 21−24 0−1
QHD / 1440p 16−18 0−1
4K / 2160p 10−11
low / 720p 60−65 12−14
medium / 1080p 40−45 2−3
The average gaming FPS of FirePro W7100 in Assassin's Creed Odyssey is 840% more, than GeForce GT 645M.

Full Specs

  FirePro W7100 GeForce GT 645M
Architecture GCN 3.0 Kepler
Code name Tonga N13P-GS
Type Workstation Laptop
Release date 12 August 2014 22 March 2012
Pipelines 1792 384
Core clock speed 920 MHz
Transistor count 5,000 million 1,270 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 103.0 22.7 billion/sec
Floating-point performance 3,297 gflops 544.5 gflops
Length 241 mm
Memory bus width 256 Bit 128bit
Memory clock speed 5000 MHz 1800 MHz
Memory bandwidth 160 GB/s
Shared memory -
DirectX 12 (12_0) 12 API
Shader Model 6.3 5.1
OpenGL 4.6 4.5
OpenCL 2.0 1.1
Vulkan 1.2.131 1.1.126
CUDA +
CUDA cores 384
Bus support PCIe 3.0 PCI Express 2.0, PCI Express 3.0
HDMI +
HDCP +
Maximum VGA resolution Up to 2048x1536
3D Blu-Ray +
Bitcoin / BTC (SHA256) 362 Mh/s 19 Mh/s
Laptop size medium sized
Optimus +
Form factor full height / full length
StereoOutput3D +
DisplayPort count 4
Dual-link DVI support +
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