Mobility Radeon HD 3870 X2 vs Radeon HD 7730

Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 3870 X2 and Radeon HD 7730. 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 3870 X2 and Radeon HD 7730. 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 3870 X2 is a Laptop Graphics Card

Note: Mobility Radeon HD 3870 X2 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 3870 X2 here:

Main Specs

  Mobility Radeon HD 3870 X2 Radeon HD 7730
Power consumption (TDP) 110 Watt 47 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors None
Memory type GDDR3 GDDR5
Maximum RAM amount 512 MB 1 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort
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  • Mobility Radeon HD 3870 X2 has 134% more power consumption, than Radeon HD 7730.
  • Mobility Radeon HD 3870 X2 is connected by PCIe 2.0 x16, and Radeon HD 7730 uses PCIe 3.0 x16 interface.
  • Mobility Radeon HD 3870 X2 has 511 GB more memory, than Radeon HD 7730.
  • Mobility Radeon HD 3870 X2 is used in Laptops, and Radeon HD 7730 - in Desktops.
  • Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Radeon HD 7730 - with GCN 1.0.
  • Core clock speed of Radeon HD 7730 is 140 MHz higher, than Mobility Radeon HD 3870 X2.
  • Mobility Radeon HD 3870 X2 is manufactured by 55 nm process technology, and Radeon HD 7730 - by 28 nm process technology.
  • Memory clock speed of Radeon HD 7730 is 3650 MHz higher, than Mobility Radeon HD 3870 X2.

Game benchmarks

high / 1080p 6−7 3−4
ultra / 1080p 4−5 1−2
QHD / 1440p 0−1 0−1
low / 720p 16−18 14−16
medium / 1080p 8−9 5−6
The average gaming FPS of Mobility Radeon HD 3870 X2 in Assassin's Creed Odyssey is 50% more, than Radeon HD 7730.

Full Specs

  Mobility Radeon HD 3870 X2 Radeon HD 7730
Architecture RV6xx GCN 1.0
Code name M88-XT CF Cape Verde
Type Laptop Desktop
Release date 1 September 2008 1 May 2013
Pipelines 640 384
Core clock speed 660 MHz 800 MHz
Transistor count 666 million 1,500 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 10.56 19.20
Floating-point performance 2x 422.4 gflops 614.4 gflops
Length 168 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 850 MHz 4500 MHz
Memory bandwidth 54.4 GB/s 72 GB/s
Shared memory -
DirectX 10.1 (10_1) 12 (11_1)
Shader Model 4.1 5.1
OpenGL 3.3 4.6
OpenCL N/A 1.2
Vulkan N/A 1.2.131
Laptop size large
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