Radeon R7 M340 vs Radeon R9 M385

In this comparison between Radeon R7 M340 and Radeon R9 M385 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 R7 M340 will be the best choice, for others Radeon R9 M385 will be their preference. Study the comparison tables below and make your choice.

Radeon R7 M340 and Radeon R9 M385 are Laptop Graphics Cards

Note: Radeon R7 M340 and Radeon R9 M385 are only used in laptop graphics. They have 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 R7 M340 or Radeon R9 M385 here:

Main Specs

  Radeon R7 M340 Radeon R9 M385
Interface PCIe 3.0 x8 PCIe 3.0 x16
Supplementary power connectors None
Memory type DDR3 GDDR5
Maximum RAM amount 4 GB 4 GB
Display Connectors No outputs No outputs
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  • Radeon R7 M340 is connected by PCIe 3.0 x8, and Radeon R9 M385 uses PCIe 3.0 x16 interface.
  • Radeon R7 M340 and Radeon R9 M385 have maximum RAM of 4 GB.
  • Both cards are used in Laptops.
  • Radeon R7 M340 and Radeon R9 M385 are build with GCN architecture.
  • Radeon R7 M340 and Radeon R9 M385 are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon R9 M385 is 500 MHz higher, than Radeon R7 M340.

Game benchmarks

high / 1080p 0−1 10−12
ultra / 1080p 6−7
QHD / 1440p 0−1 1−2
low / 720p 1−2 24−27
medium / 1080p 0−1 12−14
The average gaming FPS of Radeon R9 M385 in Assassin's Creed Odyssey is 2400% more, than Radeon R7 M340.

Full Specs

  Radeon R7 M340 Radeon R9 M385
Architecture GCN GCN
Code name Meso Pro DDR3 Strato
Type Laptop Laptop
Release date 16 June 2015 16 June 2015
Pipelines 320 896
Core clock speed 1021 MHz
Boost Clock 1021 MHz 1100 MHz
Transistor count 950 million 2,080 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 17.16 56.00
Floating-point performance 549.1 gflops 1,792 gflops
Memory bus width 128 Bit 128 Bit
Memory clock speed 1000 MHz 1500 MHz
Memory bandwidth 16 GB/s 76.8 GB/s
Shared memory - -
Shader Model 5.1 6.3
OpenGL 4.4 4.4
OpenCL Not Listed Not Listed
Vulkan +
FreeSync + +
Bus support PCIe 3.0 PCIe 3.0
Bitcoin / BTC (SHA256) 74 Mh/s
Laptop size medium sized
Eyefinity + +
HD3D + +
PowerTune + +
DualGraphics + +
TrueAudio +
ZeroCore + +
Switchable graphics + +
Mantle + +
Compute units 6
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