Mobility Radeon HD 4870 vs Radeon Pro V340 MxGPU

Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 4870 and Radeon Pro V340 MxGPU. 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 4870 and Radeon Pro V340 MxGPU. 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 4870 is a Laptop Graphics Card

Note: Mobility Radeon HD 4870 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 4870 here:

Main Specs

  Mobility Radeon HD 4870 Radeon Pro V340 MxGPU
Power consumption (TDP) 300 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 2x 8-pin
Memory type GDDR5 HBM2
Maximum RAM amount 1 GB 16 GB
Display Connectors No outputs No outputs
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  • Mobility Radeon HD 4870 is connected by PCIe 2.0 x16, and Radeon Pro V340 MxGPU uses PCIe 3.0 x16 interface.
  • Radeon Pro V340 MxGPU has 15 GB more memory, than Mobility Radeon HD 4870.
  • Mobility Radeon HD 4870 is used in Laptops, and Radeon Pro V340 MxGPU - in Desktops.
  • Mobility Radeon HD 4870 is build with Terascale 1 architecture, and Radeon Pro V340 MxGPU - with GCN 5.0.
  • Core clock speed of Radeon Pro V340 MxGPU is 450 MHz higher, than Mobility Radeon HD 4870.
  • Mobility Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon Pro V340 MxGPU - by 14 nm process technology.
  • Memory clock speed of Radeon Pro V340 MxGPU is 1112 MHz higher, than Mobility Radeon HD 4870.

Game benchmarks

high / 1080p 7−8 14−16
ultra / 1080p 4−5 8−9
QHD / 1440p 0−1 3−4
low / 720p 16−18 30−33
medium / 1080p 8−9 18−20
The average gaming FPS of Radeon Pro V340 MxGPU in Assassin's Creed Odyssey is 100% more, than Mobility Radeon HD 4870.

Full Specs

  Mobility Radeon HD 4870 Radeon Pro V340 MxGPU
Architecture Terascale 1 GCN 5.0
Code name M98-XT Vega 10
Type Laptop Workstation
Release date 9 January 2009 26 August 2018
Pipelines 800 3584
Core clock speed 550 MHz 1000 MHz
Boost Clock 1500 MHz
Transistor count 956 million 12,500 million
Manufacturing process technology 55 nm 14 nm
Texture fill rate 22.00 336.0
Floating-point performance 880.0 gflops
Length 267 mm
Memory bus width 256 Bit 2048 Bit
Memory clock speed 888 MHz 2000 MHz
Memory bandwidth 56.83 GB/s 512.0 GB/s
Shared memory -
DirectX 10.1 (10_1) 12 (12_1)
Shader Model 4.1 6.4
OpenGL 3.3 4.6
OpenCL 1.1 2.0
Vulkan N/A 1.1.125
Laptop size large
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