Radeon HD 7850 vs Radeon RX 460 mobile

If you are going to buy a new graphics card and are choosing between Radeon HD 7850 and Radeon RX 460 mobile, 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 Radeon HD 7850 stacks up against Radeon RX 460 mobile, check out specs charts below.

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 7850 Radeon RX 460 mobile
Power consumption (TDP) 225 Watt 55 Watt
Interface PCIe 3.0 x16 MXM-B (3.0)
Supplementary power connectors 1x 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 7850 has 309% more power consumption, than Radeon RX 460 mobile.
  • Radeon HD 7850 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 7850.
  • Radeon HD 7850 is used in Desktops, and Radeon RX 460 mobile - in Laptops.
  • Radeon HD 7850 is build with GCN 1.0 architecture, and Radeon RX 460 mobile - with Polaris.
  • Radeon HD 7850 is manufactured by 28 nm process technology, and Radeon RX 460 mobile - by 14 nm process technology.
  • Memory clock speed of Radeon RX 460 mobile is 4800 MHz higher, than Radeon HD 7850.

Game benchmarks

high / 1080p 18−20 16−18
ultra / 1080p 10−12 9−10
QHD / 1440p 5−6 3−4
4K / 2160p 4−5
low / 720p 35−40 30−35
medium / 1080p 24−27 21−24
The average gaming FPS of Radeon HD 7850 in Assassin's Creed Odyssey is 11% more, than Radeon RX 460 mobile.

Full Specs

  Radeon HD 7850 Radeon RX 460 mobile
Architecture GCN 1.0 Polaris
Code name Pitcairn Polaris 11 / Baffin XT
Type Desktop Laptop
Release date 5 March 2012 8 August 2016
Pipelines 1024 896
Boost Clock 1000 MHz 1180 MHz
Transistor count 2,800 million 3,000 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 55.04 66.08
Floating-point performance 1,761 gflops 2,115 gflops
Length 210 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 1200 MHz 6000 MHz
Memory bandwidth 153.6 GB/s 80 GB/s
Shared memory -
DirectX 12 (12_0)
Shader Model 5.1 6.4
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.2.131
FreeSync + +
Bus support PCIe 2.1 x16
HDMI +
Bitcoin / BTC (SHA256) 249 Mh/s
Laptop size large
Eyefinity +
Design reference
CrossFire +
Ethereum / ETH (DaggerHashimoto) 12.5 Mh/s
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