Radeon R7 M340 vs Radeon R9 270

Find out if it is worth upgrading your current GPU setup by comparing Radeon R7 M340 and Radeon R9 270. 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 Radeon R7 M340 and Radeon R9 270. 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.

Radeon R7 M340 is a Laptop Graphics Card

Note: Radeon R7 M340 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 R7 M340 here:

Main Specs

  Radeon R7 M340 Radeon R9 270
Power consumption (TDP) 150 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x16
Supplementary power connectors None 1 x 6-pin
Memory type DDR3 GDDR5
Maximum RAM amount 4 GB 2 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon R7 M340 is connected by PCIe 3.0 x8, and Radeon R9 270 uses PCIe 3.0 x16 interface.
  • Radeon R7 M340 has 2 GB more memory, than Radeon R9 270.
  • Radeon R7 M340 is used in Laptops, and Radeon R9 270 - in Desktops.
  • Radeon R7 M340 is build with GCN architecture, and Radeon R9 270 - with GCN 1.0.
  • Radeon R7 M340 and Radeon R9 270 are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 0−1 21−24
ultra / 1080p 12−14
QHD / 1440p 0−1 7−8
4K / 2160p 5−6
low / 720p 1−2 40−45
medium / 1080p 0−1 27−30
The average gaming FPS of Radeon R9 270 in Assassin's Creed Odyssey is 4100% more, than Radeon R7 M340.

Full Specs

  Radeon R7 M340 Radeon R9 270
Architecture GCN GCN 1.0
Code name Meso Pro DDR3 Curacao
Type Laptop Desktop
Release date 16 June 2015 13 November 2013
Pipelines 320 1280
Core clock speed 1021 MHz
Boost Clock 1021 MHz 925 MHz
Transistor count 950 million 2,800 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 17.16 74.00
Floating-point performance 549.1 gflops 2,368 gflops
Length 210 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 1000 MHz
Memory bandwidth 16 GB/s 179.2 GB/s
Shared memory -
Shader Model 5.1 5.1
OpenGL 4.4 4.6
OpenCL Not Listed 1.2
Vulkan + +
FreeSync + +
Bus support PCIe 3.0 PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 74 Mh/s 293 Mh/s
Eyefinity + +
HD3D + +
PowerTune +
DualGraphics +
TrueAudio +
ZeroCore +
Switchable graphics +
Mantle +
Design reference
DisplayPort support +
CrossFire +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 16 Mh/s
Compute units 6
LiquidVR +
TressFX +
UVD +
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