Radeon HD 7870 XT vs Radeon RX 460 mobile

In this comparison between Radeon HD 7870 XT and Radeon RX 460 mobile you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon HD 7870 XT will be the best choice, for others Radeon RX 460 mobile will be their preference. Study the comparison tables below and make your choice.

Radeon RX 460 mobile is a Laptop Graphics Card

Note: Radeon RX 460 mobile 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 Radeon RX 460 mobile here:

Main Specs

  Radeon HD 7870 XT Radeon RX 460 mobile
Power consumption (TDP) 185 Watt 55 Watt
Interface PCIe 3.0 x16 MXM-B (3.0)
Supplementary power connectors 2x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors 1x DVI, 1x HDMI, 2x mini-DisplayPort No outputs
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  • Radeon HD 7870 XT has 236% more power consumption, than Radeon RX 460 mobile.
  • Radeon HD 7870 XT is connected by PCIe 3.0 x16, and Radeon RX 460 mobile uses MXM-B (3.0) interface.
  • Radeon RX 460 mobile has 2 GB more memory, than Radeon HD 7870 XT.
  • Radeon HD 7870 XT is used in Desktops, and Radeon RX 460 mobile - in Laptops.
  • Radeon HD 7870 XT is build with GCN 1.0 architecture, and Radeon RX 460 mobile - with Polaris.
  • Radeon HD 7870 XT is manufactured by 28 nm process technology, and Radeon RX 460 mobile - by 14 nm process technology.
  • Memory clock speed of Radeon HD 7870 XT and Radeon RX 460 mobile is 6000 MHz.

Game benchmarks

high / 1080p 35−40 16−18
ultra / 1080p 21−24 9−10
QHD / 1440p 16−18 3−4
4K / 2160p 10−11
low / 720p 60−65 30−35
medium / 1080p 40−45 21−24
The average gaming FPS of Radeon HD 7870 XT in Assassin's Creed Odyssey is 111% more, than Radeon RX 460 mobile.

Full Specs

  Radeon HD 7870 XT Radeon RX 460 mobile
Architecture GCN 1.0 Polaris
Code name Tahiti Polaris 11 / Baffin XT
Type Desktop Laptop
Release date 19 November 2012 8 August 2016
Pipelines 1536 896
Core clock speed 925 MHz
Boost Clock 975 MHz 1180 MHz
Transistor count 4,313 million 3,000 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 93.60 66.08
Floating-point performance 2,995 gflops 2,115 gflops
Length 267 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 6000 MHz 6000 MHz
Memory bandwidth 192.0 GB/s 80 GB/s
Shared memory -
DirectX 12 (11_1) 12 (12_0)
Shader Model 5.1 6.4
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.2.131 1.2.131
FreeSync +
Bitcoin / BTC (SHA256) 346 Mh/s
Laptop size large
Ethereum / ETH (DaggerHashimoto) 14.5 Mh/s
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