Mobility Radeon HD 4830 vs Radeon R9 270X

Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 4830 and Radeon R9 270X. 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 Mobility Radeon HD 4830 and Radeon R9 270X. 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.

Mobility Radeon HD 4830 is a Laptop Graphics Card

Note: Mobility Radeon HD 4830 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 Mobility Radeon HD 4830 here:

Main Specs

  Mobility Radeon HD 4830 Radeon R9 270X
Power consumption (TDP) 180 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 2 x 6-pin
Memory type GDDR3, DDR3 GDDR5
Maximum RAM amount 1 GB 2 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
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  • Mobility Radeon HD 4830 is connected by PCIe 2.0 x16, and Radeon R9 270X uses PCIe 3.0 x16 interface.
  • Radeon R9 270X has 1 GB more memory, than Mobility Radeon HD 4830.
  • Mobility Radeon HD 4830 is used in Laptops, and Radeon R9 270X - in Desktops.
  • Mobility Radeon HD 4830 is build with Terascale 1 architecture, and Radeon R9 270X - with GCN.
  • Mobility Radeon HD 4830 is manufactured by 40 nm process technology, and Radeon R9 270X - by 28 nm process technology.

Game benchmarks

high / 1080p 0−1 24−27
ultra / 1080p 0−1 14−16
QHD / 1440p 0−1 10−11
4K / 2160p 6−7
low / 720p 10−11 45−50
medium / 1080p 1−2 30−35
The average gaming FPS of Radeon R9 270X in Assassin's Creed Odyssey is 566% more, than Mobility Radeon HD 4830.

Full Specs

  Mobility Radeon HD 4830 Radeon R9 270X
Architecture Terascale 1 GCN
Code name M97 Curacao XT
Type Laptop Desktop
Release date 3 March 2009 8 October 2013
Pipelines 640 1280
Core clock speed 550 MHz
Boost Clock 1050 MHz
Transistor count 826 million 2,800 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 17.60 84.00
Floating-point performance 704.0 gflops 2,688 gflops
Memory bus width 128 Bit 256 Bit
Memory clock speed 700 MHz
Memory bandwidth 44.8 GB/s 179.2 GB/s
Shared memory - -
DirectX 10.1 (10_1)
Shader Model 4.1 5.1
OpenGL 3.3 4.6
OpenCL 1.1 1.2
Vulkan N/A +
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 318 Mh/s
Laptop size large
Eyefinity +
HD3D +
TrueAudio +
Design reference
DisplayPort support +
CrossFire +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 30 Mh/s
Zcash / ZEC (Equihash) 163 Sol/s
AppAcceleration +
LiquidVR +
TressFX +
UVD +
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