GeForce 940MX vs Radeon HD 4770

Find out if it is worth upgrading your current GPU setup by comparing GeForce 940MX and Radeon HD 4770. 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 940MX and Radeon HD 4770. 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 940MX is a Laptop Graphics Card

Note: GeForce 940MX 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 940MX here:

Main Specs

  GeForce 940MX Radeon HD 4770
Power consumption (TDP) 23 Watt 80 Watt
Interface PCIe 3.0 x8 PCIe 2.0 x16
Supplementary power connectors None 1x 6-pin
Memory type DDR3, GDDR5 GDDR5
Maximum RAM amount 4 GB 512 MB
Display Connectors No outputs 2x DVI, 1x S-Video
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  • Radeon HD 4770 has 247% more power consumption, than GeForce 940MX.
  • GeForce 940MX is connected by PCIe 3.0 x8, and Radeon HD 4770 uses PCIe 2.0 x16 interface.
  • Radeon HD 4770 has 508 GB more memory, than GeForce 940MX.
  • GeForce 940MX is used in Laptops, and Radeon HD 4770 - in Desktops.
  • GeForce 940MX is build with Maxwell architecture, and Radeon HD 4770 - with TeraScale.
  • Core clock speed of GeForce 940MX is 372 MHz higher, than Radeon HD 4770.
  • GeForce 940MX is manufactured by 28 nm process technology, and Radeon HD 4770 - by 40 nm process technology.
  • Memory clock speed of GeForce 940MX is 800 MHz higher, than Radeon HD 4770.

Game benchmarks

high / 1080p 7−8 1−2
ultra / 1080p 4−5 0−1
QHD / 1440p 0−1 0−1
low / 720p 16−18 10−12
medium / 1080p 8−9 2−3
The average gaming FPS of GeForce 940MX in Assassin's Creed Odyssey is 120% more, than Radeon HD 4770.

Full Specs

  GeForce 940MX Radeon HD 4770
Architecture Maxwell TeraScale
Code name N16S-GTR-B/S RV740
Type Laptop Desktop
Release date 10 March 2016 28 April 2009
Pipelines 384 640
Core clock speed 1122 MHz 750 MHz
Boost Clock 1242 MHz
Transistor count 1,870 million 826 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 23.83 24.00
Floating-point performance 762.6 gflops 960.0 gflops
Length 203 mm
Memory bus width 64 Bit 128 Bit
Memory clock speed 4000 MHz 3200 MHz
Memory bandwidth 40.1 GB/s 51.2 GB/s
Shared memory -
DirectX 12 (11_0) 10.1 (10_1)
Shader Model 5.1 4.1
OpenGL 4.5 3.3
OpenCL 1.2 1.1
Vulkan 1.1 N/A
CUDA +
Bus support PCI Express 3.0
Bitcoin / BTC (SHA256) 102 Mh/s
Laptop size medium sized
Optimus +
GPU Boost 2.0
GameWorks +
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