GeForce GTX 680MX vs Radeon HD 4830

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 680MX and Radeon HD 4830. 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 GTX 680MX and Radeon HD 4830. 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 GTX 680MX is a Laptop Graphics Card

Note: GeForce GTX 680MX 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 GTX 680MX here:

Main Specs

  GeForce GTX 680MX Radeon HD 4830
Power consumption (TDP) 122 Watt 95 Watt
Interface PCIe 2.0 x16
Supplementary power connectors 1x 6-pin
Memory type GDDR5 GDDR3
Maximum RAM amount 2 GB 512 MB
Display Connectors 2x DVI, 1x S-Video
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  • GeForce GTX 680MX has 28% more power consumption, than Radeon HD 4830.
  • Radeon HD 4830 has 510 GB more memory, than GeForce GTX 680MX.
  • GeForce GTX 680MX is used in Laptops, and Radeon HD 4830 - in Desktops.
  • GeForce GTX 680MX is build with Kepler architecture, and Radeon HD 4830 - with TeraScale.
  • Core clock speed of GeForce GTX 680MX is 145 MHz higher, than Radeon HD 4830.
  • GeForce GTX 680MX is manufactured by 28 nm process technology, and Radeon HD 4830 - by 55 nm process technology.
  • Memory clock speed of GeForce GTX 680MX is 700 MHz higher, than Radeon HD 4830.

Game benchmarks

high / 1080p 21−24 0−1
ultra / 1080p 12−14 0−1
QHD / 1440p 7−8 0−1
4K / 2160p 5−6
low / 720p 40−45 10−12
medium / 1080p 27−30 2−3
The average gaming FPS of GeForce GTX 680MX in Assassin's Creed Odyssey is 483% more, than Radeon HD 4830.

Full Specs

  GeForce GTX 680MX Radeon HD 4830
Architecture Kepler TeraScale
Code name RV770
Type Laptop Desktop
Release date 23 October 2012 21 October 2008
Pipelines 1536 640
Core clock speed 720 MHz 575 MHz
Transistor count 3540 Million 956 million
Manufacturing process technology 28 nm 55 nm
Texture fill rate 92.2 billion/sec 18.40
Floating-point performance 736.0 gflops
Length 246 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 2500 MHz 1800 MHz
Memory bandwidth 160 GB/s 57.6 GB/s
Shared memory -
DirectX 12 API 10.1 (10_1)
Shader Model 4.1
OpenGL 4.5 3.3
OpenCL 1.1 1.1
Vulkan N/A
CUDA +
CUDA cores 1536
Bus support PCI Express 3.0
SLI options +
3D Vision +
Bitcoin / BTC (SHA256) 57 Mh/s
Laptop size large
Optimus +
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