Mobility Radeon HD 4830 vs Radeon R9 M385X

If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 4830 and Radeon R9 M385X, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Mobility Radeon HD 4830 stacks up against Radeon R9 M385X, check out specs charts below.

Mobility Radeon HD 4830 and Radeon R9 M385X are Laptop Graphics Cards

Note: Mobility Radeon HD 4830 and Radeon R9 M385X are only used in laptop graphics. They have 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 Mobility Radeon HD 4830 or Radeon R9 M385X here:

Main Specs

  Mobility Radeon HD 4830 Radeon R9 M385X
Interface PCIe 2.0 x16 PCIe 3.0 x16
Memory type GDDR3, DDR3 GDDR5
Maximum RAM amount 1 GB 4 GB
Display Connectors No outputs No outputs
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  • Mobility Radeon HD 4830 is connected by PCIe 2.0 x16, and Radeon R9 M385X uses PCIe 3.0 x16 interface.
  • Radeon R9 M385X has 3 GB more memory, than Mobility Radeon HD 4830.
  • Both cards are used in Laptops.
  • Mobility Radeon HD 4830 is build with Terascale 1 architecture, and Radeon R9 M385X - with GCN.
  • Core clock speed of Radeon R9 M385X is 550 MHz higher, than Mobility Radeon HD 4830.
  • Mobility Radeon HD 4830 is manufactured by 40 nm process technology, and Radeon R9 M385X - by 28 nm process technology.
  • Memory clock speed of Radeon R9 M385X is 800 MHz higher, than Mobility Radeon HD 4830.

Game benchmarks

high / 1080p 0−1 8−9
ultra / 1080p 0−1 5−6
QHD / 1440p 0−1 0−1
low / 720p 10−11 18−20
medium / 1080p 1−2 10−11
The average gaming FPS of Radeon R9 M385X in Assassin's Creed Odyssey is 133% more, than Mobility Radeon HD 4830.

Full Specs

  Mobility Radeon HD 4830 Radeon R9 M385X
Architecture Terascale 1 GCN
Code name M97 Strato-XT-M3
Type Laptop Laptop
Release date 3 March 2009 16 June 2015
Pipelines 640 896
Core clock speed 550 MHz 1100 MHz
Boost Clock 1100 MHz
Transistor count 826 million 2,080 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 17.60 61.60
Floating-point performance 704.0 gflops 1,971 gflops
Memory bus width 128 Bit 128 Bit
Memory clock speed 700 MHz 1500 MHz
Memory bandwidth 44.8 GB/s 76.8 GB/s
Shared memory - -
DirectX 10.1 (10_1)
Shader Model 4.1 6.3
OpenGL 3.3 4.4
OpenCL 1.1 Not Listed
Vulkan N/A
FreeSync +
Bus support PCIe 3.0
Laptop size large large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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