FireStream 9250 vs GeForce 840M

Find out if it is worth upgrading your current GPU setup by comparing FireStream 9250 and GeForce 840M. 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 FireStream 9250 and GeForce 840M. 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 840M is a Laptop Graphics Card

Note: GeForce 840M 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 840M here:

Main Specs

  FireStream 9250 GeForce 840M
Power consumption (TDP) 150 Watt 33 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x8
Supplementary power connectors 1x 6-pin
Memory type GDDR3 DDR3
Maximum RAM amount 1 GB 4 GB
Display Connectors 1x DVI No outputs
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  • FireStream 9250 has 354% more power consumption, than GeForce 840M.
  • FireStream 9250 is connected by PCIe 2.0 x16, and GeForce 840M uses PCIe 3.0 x8 interface.
  • GeForce 840M has 3 GB more memory, than FireStream 9250.
  • FireStream 9250 is used in Desktops, and GeForce 840M - in Laptops.
  • FireStream 9250 is build with TeraScale architecture, and GeForce 840M - with Maxwell.
  • Core clock speed of GeForce 840M is 404 MHz higher, than FireStream 9250.
  • FireStream 9250 is manufactured by 55 nm process technology, and GeForce 840M - by 28 nm process technology.
  • Memory clock speed of GeForce 840M is 14 MHz higher, than FireStream 9250.

Game benchmarks

high / 1080p 2−3 1−2
ultra / 1080p 1−2 0−1
QHD / 1440p 0−1 0−1
low / 720p 12−14 12−14
medium / 1080p 5−6 3−4
The average gaming FPS of FireStream 9250 in Assassin's Creed Odyssey is 16% more, than GeForce 840M.

Full Specs

  FireStream 9250 GeForce 840M
Architecture TeraScale Maxwell
Code name RV770 N15S-GT
Type Desktop Laptop
Release date 16 June 2008 12 March 2014
Pipelines 800 384
Core clock speed 625 MHz 1029 MHz
Boost Clock 1124 MHz
Transistor count 956 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 25.00 17.98
Floating-point performance 1,000.0 gflops 863.2 gflops
Memory bus width 256 Bit 64 Bit
Memory clock speed 1986 MHz 2000 MHz
Memory bandwidth 63.55 GB/s 16.02 GB/s
Shared memory -
DirectX 10.1 (10_1) 12 (11_0)
Shader Model 4.1 5.1
OpenGL 3.3 4.5
OpenCL 1.1 1.2
Vulkan N/A 1.1.126
CUDA +
Bus support PCI Express 2.0, PCI Express 3.0
Bitcoin / BTC (SHA256) 92 Mh/s
Laptop size medium sized
Optimus +
GPU Boost 2.0
GameWorks +
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