GeForce 840M vs Radeon R7 260

When choosing between GeForce 840M and Radeon R7 260, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce 840M and Radeon R7 260.

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

  GeForce 840M Radeon R7 260
Power consumption (TDP) 33 Watt 115 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x16
Supplementary power connectors 1 x 6-pin
Memory type DDR3 GDDR5
Maximum RAM amount 4 GB 2 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon R7 260 has 248% more power consumption, than GeForce 840M.
  • GeForce 840M is connected by PCIe 3.0 x8, and Radeon R7 260 uses PCIe 3.0 x16 interface.
  • GeForce 840M has 2 GB more memory, than Radeon R7 260.
  • GeForce 840M is used in Laptops, and Radeon R7 260 - in Desktops.
  • GeForce 840M is build with Maxwell architecture, and Radeon R7 260 - with GCN 2.0.
  • GeForce 840M and Radeon R7 260 are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce 840M is 375 MHz higher, than Radeon R7 260.

Game benchmarks

high / 1080p 1−2 14−16
ultra / 1080p 0−1 8−9
QHD / 1440p 0−1 3−4
low / 720p 12−14 30−35
medium / 1080p 3−4 18−20
The average gaming FPS of Radeon R7 260 in Assassin's Creed Odyssey is 266% more, than GeForce 840M.

Full Specs

  GeForce 840M Radeon R7 260
Architecture Maxwell GCN 2.0
Code name N15S-GT Bonaire
Type Laptop Desktop
Release date 12 March 2014 17 December 2013
Pipelines 384 768
Core clock speed 1029 MHz
Boost Clock 1124 MHz 1100 MHz
Transistor count 2,080 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 17.98 48.00
Floating-point performance 863.2 gflops 1,536 gflops
Length 170 mm
Memory bus width 64 Bit 128 Bit
Memory clock speed 2000 MHz 1625 MHz
Memory bandwidth 16.02 GB/s 104 GB/s
Shared memory -
DirectX 12 (11_0)
Shader Model 5.1 6.3
OpenGL 4.5 4.6
OpenCL 1.2 2.0
Vulkan 1.1.126
CUDA +
FreeSync +
Bus support PCI Express 2.0, PCI Express 3.0 PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 92 Mh/s 240 Mh/s
Laptop size medium sized
Optimus +
Eyefinity +
Design reference
DisplayPort support +
DDMA audio +
GPU Boost 2.0
GameWorks +
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