Radeon HD 6870 vs Radeon R9 380

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6870 and Radeon R9 380. 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 HD 6870 and Radeon R9 380. 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.

Main Specs

  Radeon HD 6870 Radeon R9 380
Power consumption (TDP) 151 Watt 190 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 2x 6-pin 2 x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 4 GB
Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon R9 380 has 25% more power consumption, than Radeon HD 6870.
  • Radeon HD 6870 is connected by PCIe 2.0 x16, and Radeon R9 380 uses PCIe 3.0 x16 interface.
  • Radeon R9 380 has 3 GB more memory, than Radeon HD 6870.
  • Both cards are used in Desktops.
  • Radeon HD 6870 is build with Terascale 2 architecture, and Radeon R9 380 - with GCN.
  • Radeon HD 6870 is manufactured by 40 nm process technology, and Radeon R9 380 - by 28 nm process technology.
  • Radeon R9 380 is 1 mm longer, than Radeon HD 6870.
  • Memory clock speed of Radeon HD 6870 is 80 MHz higher, than Radeon R9 380.

Game benchmarks

high / 1080p 10−12 35−40
ultra / 1080p 6−7 21−24
QHD / 1440p 1−2 16−18
4K / 2160p 10−11
low / 720p 24−27 60−65
medium / 1080p 12−14 40−45
The average gaming FPS of Radeon R9 380 in Assassin's Creed Odyssey is 227% more, than Radeon HD 6870.

Full Specs

  Radeon HD 6870 Radeon R9 380
Architecture Terascale 2 GCN
Code name RV940 Barts Tonga Pro
Type Desktop Desktop
Release date 22 October 2010 26 June 2015
Pipelines 1120 1792
Boost Clock 900 MHz 970 MHz
Transistor count 1,700 million 5,000 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 50.40 108.6
Floating-point performance 2,016.0 gflops 3,476 gflops
Length 220 mm 221 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 1050 MHz 970 MHz
Memory bandwidth 134.4 GB/s 182.4 GB/s
Shared memory - -
Shader Model 5.0 6.3
OpenGL 4.4 4.5
OpenCL 1.2 2.0
Vulkan +
Monero / XMR (CryptoNight) 0.48 kh/s
FreeSync +
Bus support PCIe 2.0 x16 PCIe 3.0
HDMI + +
Bitcoin / BTC (SHA256) 213 Mh/s 404 Mh/s
Eyefinity + +
HD3D +
PowerTune +
TrueAudio +
ZeroCore +
Mantle +
Design reference reference
Bridgeless CrossFire +
Number of Eyefinity displays 6
DisplayPort support +
CrossFire + +
VCE +
DDMA audio +
Decred / DCR (Decred) 0.66 Gh/s
Ethereum / ETH (DaggerHashimoto) 18 Mh/s
Zcash / ZEC (Equihash) 168.45 Sol/s
Compute units 28
Form factor full height / full length / dual slot
High bandwidth memory (HBM) -
LiquidVR +
FRTC +
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