Mobility Radeon HD 5870 Crossfire vs Radeon R9 380X

When choosing between Mobility Radeon HD 5870 Crossfire and Radeon R9 380X, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Mobility Radeon HD 5870 Crossfire and Radeon R9 380X.

Mobility Radeon HD 5870 Crossfire is a Laptop Graphics Card

Note: Mobility Radeon HD 5870 Crossfire 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 5870 Crossfire here:

Main Specs

  Mobility Radeon HD 5870 Crossfire Radeon R9 380X
Power consumption (TDP) 120 Watt 190 Watt
Interface PCIe 3.0 x16
Memory type DDR3, GDDR3, GDDR5 GDDR5
Maximum RAM amount 2x1 GB 4 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon R9 380X has 58% more power consumption, than Mobility Radeon HD 5870 Crossfire.
  • Radeon R9 380X has 2 GB more memory, than Mobility Radeon HD 5870 Crossfire.
  • Mobility Radeon HD 5870 Crossfire is used in Laptops, and Radeon R9 380X - in Desktops.
  • Mobility Radeon HD 5870 Crossfire is build with Terascale 2 architecture, and Radeon R9 380X - with GCN 3.0.
  • Mobility Radeon HD 5870 Crossfire is manufactured by 40 nm process technology, and Radeon R9 380X - by 28 nm process technology.
  • Memory clock speed of Mobility Radeon HD 5870 Crossfire is 30 MHz higher, than Radeon R9 380X.

Game benchmarks

high / 1080p 16−18 35−40
ultra / 1080p 9−10 21−24
QHD / 1440p 4−5 16−18
4K / 2160p 10−11
low / 720p 30−35 60−65
medium / 1080p 18−20 40−45
The average gaming FPS of Radeon R9 380X in Assassin's Creed Odyssey is 125% more, than Mobility Radeon HD 5870 Crossfire.

Full Specs

  Mobility Radeon HD 5870 Crossfire Radeon R9 380X
Architecture Terascale 2 GCN 3.0
Code name Broadway-XT Antigua
Type Laptop Desktop
Release date 7 January 2010 19 November 2015
Pipelines 1600 2048
Core clock speed 700 MHz
Boost Clock 970 MHz
Transistor count 5,000 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 124.2
Floating-point performance 3,973 gflops
Length 221 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 1000 MHz 970 MHz
Memory bandwidth 182.4 GB/s
Shared memory -
DirectX DirectX 11, Shader 5.0
Shader Model 6.3
OpenGL 4.5
OpenCL 2.0
Vulkan +
Monero / XMR (CryptoNight) 0.58 kh/s
FreeSync +
Bus support PCIe 3.0
HDMI +
Laptop size large
Eyefinity +
HD3D +
PowerTune +
TrueAudio +
ZeroCore +
Mantle +
Design reference
Bridgeless CrossFire +
Number of Eyefinity displays 6
DisplayPort support +
CrossFire +
VCE +
DDMA audio +
Decred / DCR (Decred) 0.89 Gh/s
Ethereum / ETH (DaggerHashimoto) 20.63 Mh/s
Zcash / ZEC (Equihash) 175 Sol/s
Compute units 32
Form factor full height / full length
High bandwidth memory (HBM) -
LiquidVR +
FRTC +
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