Radeon R7 M270DX vs Radeon R9 290X

If you are going to buy a new graphics card and are choosing between Radeon R7 M270DX and Radeon R9 290X, 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 R7 M270DX stacks up against Radeon R9 290X, check out specs charts below.

Main Specs

  Radeon R7 M270DX Radeon R9 290X
Power consumption (TDP) 250 Watt
Interface IGP PCIe 3.0 x16
Supplementary power connectors 1 x 6-pin + 1 x 8-pin
Memory type System Shared GDDR5
Maximum RAM amount 4 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon R7 M270DX is connected by IGP, and Radeon R9 290X uses PCIe 3.0 x16 interface.
  • Both cards are used in Desktops.
  • Radeon R7 M270DX is build with GCN 3.0 architecture, and Radeon R9 290X - with GCN.
  • Radeon R7 M270DX and Radeon R9 290X are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 2−3 35−40
ultra / 1080p 0−1 24−27
QHD / 1440p 0−1 18−20
4K / 2160p 10−11
low / 720p 12−14 60−65
medium / 1080p 3−4 45−50
The average gaming FPS of Radeon R9 290X in Assassin's Creed Odyssey is 716% more, than Radeon R7 M270DX.

Full Specs

  Radeon R7 M270DX Radeon R9 290X
Architecture GCN 3.0 GCN
Code name Topaz Hawaii XT
Type Desktop Desktop
Release date 11 June 2014 24 October 2013
Pipelines 384 2816
Core clock speed 900 MHz
Boost Clock 940 MHz 947 MHz
Transistor count 1,550 million 6,200 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 22.56 176.0
Floating-point performance 5,632 gflops
Length 275 mm
Memory bus width 512 Bit
Memory clock speed 1250 MHz
Memory bandwidth 320 GB/s
Shared memory -
DirectX 12 (12_0)
Shader Model 6.3 6.3
OpenGL 4.6 4.6
OpenCL 2.0 2.0
Vulkan 1.2.131 +
Monero / XMR (CryptoNight) 0.76 kh/s
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 623 Mh/s
Eyefinity +
HD3D +
TrueAudio +
Design reference
DisplayPort support +
CrossFire +
DDMA audio +
Decred / DCR (Decred) 1.07 Gh/s
Ethereum / ETH (DaggerHashimoto) 25.75 Mh/s
Zcash / ZEC (Equihash) 350 Sol/s
AppAcceleration +
LiquidVR +
TressFX +
UVD +
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