AMD Radeon R9 280 vs R9 380X
General info
Technical specs
Memory
Technologies
Benchmarks
Mining
Gaming
Conclusion
Cast your vote
Advices and comments
General info
Comparison of Radeon R9 280 and Radeon R9 380X architecture, market type and release date.
Technical specs
Radeon R9 280 and Radeon R9 380X'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 280 and Radeon R9 380X's performance, but for precise assessment you have to consider its benchmark and gaming test results.
Pipelines
1792
2048
Compute units
n/d
32
Boost Clock
933 MHz
970 MHz
Transistor count
4,313 million
5,000 million
Manufacturing process technology
28 nm
28 nm
Power consumption (TDP)
200 Watt
190 Watt
Texture fill rate
104.5 GTexel / s
124.2 GTexel / s
Floating-point performance
3,344 gflops
3,973 gflops
Compatibility, dimensions and requirements
Information on Radeon R9 280 and Radeon R9 380X 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).
Bus support
PCIe 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Length
275 mm
221 mm
Form factor
n/d
Full Height / Full Length
Supplementary power connectors
1 x 6-pin + 1 x 8-pin
2 x 6-pin
Bridgeless CrossFire
-
+
Memory
Parameters of memory installed on Radeon R9 280 and Radeon R9 380X: 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.
Memory type
GDDR5
GDDR5
High bandwidth memory (HBM)
n/d
-
Maximum RAM amount
3 GB
4 GB
Memory bus width
384 Bit
64 Bit
Memory clock speed
1250 MHz
970 MHz
Memory bandwidth
240 GB / s
182.4 GB / s
Video outputs and ports
Types and number of video connectors present on Radeon R9 280 and Radeon R9 380X.
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
+
+
Number of Eyefinity displays
n/d
6
HDMI
+
+
DisplayPort support
-
+
Technologies
Technological solutions and APIs supported by Radeon R9 280 and Radeon R9 380X. You'll probably need this information if you need some particular technology for your purposes.
CrossFire
+
+
FRTC
-
+
FreeSync
+
+
HD3D
+
+
LiquidVR
+
+
PowerTune
-
+
TressFX
+
-
TrueAudio
+
+
ZeroCore
-
+
UVD
+
-
VCE
-
+
DDMA audio
+
+
API support
APIs supported by Radeon R9 280 and Radeon R9 380X, sometimes including their particular versions.
DirectX
DirectX® 12
DirectX® 12
OpenGL
4.6
4.5
OpenCL
n/d
2.0
Vulkan
+
+
Mantle
-
+
Benchmark performance
Non-gaming benchmarks performance of Radeon R9 280 and Radeon R9 380X. Note that overall benchmark performance is measured in points in 0-100 range.
Overall benchmark performance
R9 280
25.77
R9 380X
32.28 +25.3%
3DMark Fire Strike Graphics
R9 280
8020
R9 380X
9510 +18.6%
Passmark
R9 280
5374
R9 380X
6211 +15.6%
Mining hashrates
Cryptocurrency mining performance of Radeon R9 280 and Radeon R9 380X. Usually measured in megahashes per second.
Bitcoin / BTC (SHA256)
408 Mh/s
n/d
Decred / DCR (Decred)
n/d
0.89 Gh/s
Ethereum / ETH (DaggerHashimoto)
21.5 Mh/s +4.2%
20.63 Mh/s −4.2%
Monero / XMR (CryptoNight)
n/d
0.58 kh/s
Zcash / ZEC (Equihash)
n/d
175 Sol/s
Gaming performance
Let's see how good Radeon R9 280 and Radeon R9 380X are for gaming. Particular gaming benchmark results are measured in FPS.
Advantages of AMD Radeon R9 280
Wider memory bus (384 vs 64 bit)
Higher memory bandwidth (240 vs 182.4 GB/s)
DirectX® 12
OpenGL® 4.3
OpenCL™
TressFX
UVD
Advantages of AMD Radeon R9 380X
25.3% faster in synthetic tests
Much newer (19 November 2015 vs 4 March 2014)
Cheaper ($229 vs $279)
More pipelines (2048 vs 1792)
Less power hungry (190 vs 200 watts)
DirectX® 12
OpenGL® 4.5
Vulkan™
OpenCL™ 2.0
Bridgeless CrossFire
DisplayPort support
FRTC
PowerTune (dynamically increases AMD GPU's voltage and frequency while there's still enough temperature headroom. Similar to NVIDIA GPU Boost)
ZeroCore
VCE
So, R9 280 or R9 380X?
Judging by the results of synthetic and gaming tests, Technical City recommends AMD Radeon R9 380X.
Should you still have questions on choice between Radeon R9 280 and Radeon R9 380X, ask them in Comments section, and we shall answer.
Cast your vote
Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favourite video card.
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