GeForce 830M vs Radeon HD 4870 X2

Find out if it is worth upgrading your current GPU setup by comparing GeForce 830M and Radeon HD 4870 X2. 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 830M and Radeon HD 4870 X2. 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.
Radeon HD 4870 X2

GeForce 830M is a Laptop Graphics Card

Note: GeForce 830M 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 830M here:

Main Specs

  GeForce 830M Radeon HD 4870 X2
Power consumption (TDP) 33 Watt 286 Watt
Interface PCIe 3.0 x8 PCIe 2.0 x16
Supplementary power connectors 1x 6-pin + 1x 8-pin
Memory type DDR3 GDDR5
Maximum RAM amount 2 GB 1 GB
Display Connectors No outputs 2x DVI, 1x S-Video
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  • Radeon HD 4870 X2 has 766% more power consumption, than GeForce 830M.
  • GeForce 830M is connected by PCIe 3.0 x8, and Radeon HD 4870 X2 uses PCIe 2.0 x16 interface.
  • GeForce 830M has 1 GB more memory, than Radeon HD 4870 X2.
  • GeForce 830M is used in Laptops, and Radeon HD 4870 X2 - in Desktops.
  • GeForce 830M is build with Maxwell architecture, and Radeon HD 4870 X2 - with TeraScale.
  • Core clock speed of GeForce 830M is 329 MHz higher, than Radeon HD 4870 X2.
  • GeForce 830M is manufactured by 28 nm process technology, and Radeon HD 4870 X2 - by 55 nm process technology.
  • Memory clock speed of Radeon HD 4870 X2 is 1800 MHz higher, than GeForce 830M.

Game benchmarks

high / 1080p 2−3 3−4
ultra / 1080p 0−1 1−2
QHD / 1440p 0−1 0−1
low / 720p 12−14 14−16
medium / 1080p 3−4 6−7
The average gaming FPS of Radeon HD 4870 X2 in Assassin's Creed Odyssey is 33% more, than GeForce 830M.

Full Specs

  GeForce 830M Radeon HD 4870 X2
Architecture Maxwell TeraScale
Code name N15? R700
Type Laptop Desktop
Release date 12 March 2014 12 August 2008
Pipelines 256 800
Core clock speed 1029 MHz 700 MHz
Boost Clock 1150 MHz
Transistor count 956 million
Manufacturing process technology 28 nm 55 nm
Texture fill rate 18.40 28.00
Floating-point performance 588.8 gflops 2x 1,120.0 gflops
Length 267 mm
Memory bus width 64 Bit 256 Bit
Memory clock speed 1800 MHz 3600 MHz
Memory bandwidth 14.4 GB/s 115.2 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 1.1.126 N/A
CUDA +
Bus support PCI Express 2.0, PCI Express 3.0
Bitcoin / BTC (SHA256) 67 Mh/s
Optimus +
GPU Boost 2.0
GameWorks +
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