Radeon R9 380 vs Radeon RX 640

Find out if it is worth upgrading your current GPU setup by comparing Radeon R9 380 and Radeon RX 640. 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 R9 380 and Radeon RX 640. 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.

Radeon RX 640 is a Laptop Graphics Card

Note: Radeon RX 640 is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon RX 640 here:

Main Specs

  Radeon R9 380 Radeon RX 640
Power consumption (TDP) 190 Watt 50 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x8
Supplementary power connectors 2 x 6-pin None
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 4 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort 1x DVI, 1x HDMI, 1x DisplayPort
  Check Price Check Price
  • Radeon R9 380 has 280% more power consumption, than Radeon RX 640.
  • Radeon R9 380 is connected by PCIe 3.0 x16, and Radeon RX 640 uses PCIe 3.0 x8 interface.
  • Radeon R9 380 and Radeon RX 640 have maximum RAM of 4 GB.
  • Radeon R9 380 is used in Desktops, and Radeon RX 640 - in Laptops.
  • Radeon R9 380 is build with GCN architecture, and Radeon RX 640 - with Polaris.
  • Radeon R9 380 is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.
  • Memory clock speed of Radeon RX 640 is 5030 MHz higher, than Radeon R9 380.

Game benchmarks

high / 1080p 35−40 5−6
ultra / 1080p 21−24 3−4
QHD / 1440p 16−18 2−3
4K / 2160p 10−11
low / 720p 60−65 16−18
medium / 1080p 40−45 7−8
The average gaming FPS of Radeon R9 380 in Assassin's Creed Odyssey is 414% more, than Radeon RX 640.

Full Specs

  Radeon R9 380 Radeon RX 640
Architecture GCN Polaris
Code name Tonga Pro Polaris 12
Type Desktop Laptop
Release date 26 June 2015 12 August 2019
Pipelines 1792 640
Core clock speed 1218 MHz
Boost Clock 970 MHz 1218 MHz
Transistor count 5,000 million 2,200 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 108.6 38.98
Floating-point performance 3,476 gflops
Length 221 mm
Memory bus width 256 Bit 64 Bit
Memory clock speed 970 MHz 6000 MHz
Memory bandwidth 182.4 GB/s 112.0 GB/s
Shared memory - -
DirectX 12 (12_0)
Shader Model 6.3 6.4
OpenGL 4.5 4.6
OpenCL 2.0 2.0
Vulkan + 1.2.131
Monero / XMR (CryptoNight) 0.48 kh/s
FreeSync + +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 404 Mh/s
Laptop size large
Eyefinity +
HD3D +
PowerTune +
TrueAudio +
ZeroCore +
Mantle +
Design 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 +
  Check Price Check Price