AMD Radeon R9 295X2 vs R9 390
Comparison of Radeon R9 295X2 and Radeon R9 390 architecture, market type and release date.
Radeon R9 295X2 and Radeon R9 390's general performance parameters such as number of shaders, GPU core clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of Radeon R9 295X2 and Radeon R9 390's performance, but for precise assessment you have to consider its benchmark and gaming test results.
Manufacturing process technology
Power consumption (TDP)
Texture fill rate
2x 179.2 GTexel / s billion / sec
160.0 GTexel / s
2x 5,733 gflops
Compatibility, dimensions and requirements
Information on Radeon R9 295X2 and Radeon R9 390 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
PCIe 2.1 x16
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2 x 8-pin
1 x 6-pin, 1 x 8-pin
Parameters of memory installed on Radeon R9 295X2 and Radeon R9 390: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors don't have dedicated memory and use a shared part of system RAM.
High bandwidth memory (HBM)
Maximum RAM amount
Memory bus width
2x 512 Bit
Memory clock speed
640 GB / s
384 GB / s
Video outputs and ports
Types and number of video connectors present on Radeon R9 295X2 and Radeon R9 390.
1x DVI, 4x mini-DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
Number of Eyefinity displays
Technological solutions and APIs supported by Radeon R9 295X2 and Radeon R9 390. You'll probably need this information if you need some particular technology for your purposes.
APIs supported by Radeon R9 295X2 and Radeon R9 390, sometimes including their particular versions.
Non-gaming benchmarks performance of Radeon R9 295X2 and Radeon R9 390. Note that overall benchmark performance is measured in points in 0-100 range.
Overall benchmark performance
R9 295X2 39.96
R9 390 42.05 +5.2%
3DMark Fire Strike Graphics
R9 295X2 21270 +67.1%
R9 390 12730
R9 295X2 7771
R9 390 8091 +4.1%
Cryptocurrency mining performance of Radeon R9 295X2 and Radeon R9 390. Usually measured in megahashes per second.
Bitcoin / BTC (SHA256)
Decred / DCR (Decred)
Ethereum / ETH (DaggerHashimoto)
61.5 Mh/s +110.2%
29.26 Mh/s −110.2%
Monero / XMR (CryptoNight)
Zcash / ZEC (Equihash)
Let's see how good Radeon R9 295X2 and Radeon R9 390 are for gaming. Particular gaming benchmark results are measured in FPS.
Advantages of AMD Radeon R9 295X2
More pipelines (2816 vs 2560)
Higher memory bandwidth (640 vs 384 GB/s)
Vulkan (a contemporary API for graphics acceleration, based on now-discontinued Mantle)
Advantages of AMD Radeon R9 390
5.2% faster in synthetic tests
Much newer (18 June 2015 vs 29 April 2014)
Cheaper ($329 vs $1499)
Less power hungry (275 vs 500 watts)
PowerTune (dynamically increases AMD GPU's voltage and frequency while there's still enough temperature headroom. Similar to NVIDIA GPU Boost)
So, R9 295X2 or R9 390?
Technical City couldn't decide between AMD Radeon R9 295X2 and AMD Radeon R9 390. The differences in performance seem too small.
Should you still have questions on choice between Radeon R9 295X2 and Radeon R9 390, ask them in Comments section, and we shall answer.