Radeon R7 M340 vs UHD Graphics 615

Find out if it is worth upgrading your current GPU setup by comparing Radeon R7 M340 and UHD Graphics 615. 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 UHD Graphics 615. 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 and UHD Graphics 615 are Laptop Graphics Cards

Note: Radeon R7 M340 and UHD Graphics 615 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 UHD Graphics 615 here:

Main Specs

  Radeon R7 M340 UHD Graphics 615
Power consumption (TDP) 15 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x1
Supplementary power connectors None
Memory type DDR3 DDR3L/LPDDR3
Maximum RAM amount 4 GB
Display Connectors No outputs No outputs
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  • Radeon R7 M340 is connected by PCIe 3.0 x8, and UHD Graphics 615 uses PCIe 3.0 x1 interface.
  • Both cards are used in Laptops.
  • Radeon R7 M340 is build with GCN architecture, and UHD Graphics 615 - with Gen. 9 Amber Lake.
  • Core clock speed of Radeon R7 M340 is 721 MHz higher, than UHD Graphics 615.
  • Radeon R7 M340 is manufactured by 28 nm process technology, and UHD Graphics 615 - by 14 nm process technology.

Game benchmarks

high / 1080p 0−1 0−1
ultra / 1080p 0−1
QHD / 1440p 0−1 0−1
low / 720p 1−2 10−11
medium / 1080p 0−1 1−2
The average gaming FPS of UHD Graphics 615 in Assassin's Creed Odyssey is 900% more, than Radeon R7 M340.

Full Specs

  Radeon R7 M340 UHD Graphics 615
Architecture GCN Gen. 9 Amber Lake
Code name Meso Pro DDR3 Kaby-Lake GT2
Type Laptop Laptop
Release date 16 June 2015 30 August 2018
Pipelines 320 24
Core clock speed 1021 MHz 300 MHz
Boost Clock 1021 MHz 1000 MHz
Transistor count 950 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 17.16 25.20
Floating-point performance 549.1 gflops
Memory bus width 128 Bit 64/128 Bit
Memory clock speed 1000 MHz
Memory bandwidth 16 GB/s
Shared memory - +
DirectX 12 (12_1)
Shader Model 5.1 6.4
OpenGL 4.4 4.6
OpenCL Not Listed 2.1
Vulkan + 1.1.103
FreeSync +
Bus support PCIe 3.0
Bitcoin / BTC (SHA256) 74 Mh/s
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Quick Sync +
Compute units 6
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