Radeon R9 380 and GeForce 405 OEM - video card comparison
Radeon R9 380
GeForce 405 OEM
Architecture
GCN (2011−2017)
Tesla 2.0 (2007−2013)
GPU code name
Tonga Pro
GT216
Market segment
Desktop
Desktop
Release date
June 2015
September 2010
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
2 x 6-pin
None
Bridgeless CrossFire
1
-
Boost clock speed
970 MHz
-
Compute units
28
-
Core clock speed
-
475 MHz
Floating-point performance
3,476 gflops
44.86 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
5,000 million
486 million
Pipelines / CUDA cores
1792
24
Power consumption (TDP)
190 Watt
25 Watt
Texture fill rate
108.6
5.700
Memory type
GDDR5
DDR2
Maximum RAM amount
4 GB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
970 MHz
800 MBps
Memory bandwidth
182.4 GB/s
12.8 GB/s
High bandwidth memory (HBM)
-
-
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x VGA
Eyefinity
+
-
Number of Eyefinity displays
6
-
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 12
11.1 (10_1)
CUDA
-
1.2
Mantle
+
-
OpenCL
2.0
1.1
OpenGL
4.5
3.3
Shader Model
6.3
4.1
Vulkan
+
N/A
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
FRTC
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
+
-
TrueAudio
+
-
VCE
+
-
ZeroCore
+
-