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

Boost Clock

933 MHz

970 MHz

Transistor count

4,313 million

5,000 million

Manufacturing process technology

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

Interface

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

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

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

OpenGL

4.5

OpenCL

n/d

2.0

Vulkan

Mantle

Video card benchmark performance comparison

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 25.23

R9 380X 28.99 +14.9%

Passmark

R9 280 5390

R9 380X 6194 +14.9%

3DMark Fire Strike Graphics Score

R9 280 8020

R9 380X 9510 +18.6%

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

Radeon R9 280 and Radeon R9 380X performance compared to Dota 2 official system requirements.

R9 280

minimum Athlon 64 2000+

R9 380X

Counter-Strike: GO

2012

Official system requirements

Radeon R9 280 and Radeon R9 380X performance compared to Counter-Strike: GO official system requirements.

R9 280

R9 380X

recommended Athlon 64 2000+

League of Legends

2009

Official system requirements

Radeon R9 280 and Radeon R9 380X performance compared to League of Legends official system requirements.

R9 280

minimum Athlon 64 2000+

R9 380X

recommended Athlon 64 2000+

Minecraft

2009

Official system requirements

Radeon R9 280 and Radeon R9 380X performance compared to Minecraft official system requirements.

R9 280

minimum Athlon 64 2000+

R9 380X

recommended Athlon 64 2000+

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

14.9% 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.

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