
Radeon R9 380 and GeForce 8400 GS - video card comparison
Passmark - benchmark score Radeon R9 380 vs GeForce 8400 GS
Radeon R9 380
6330
GeForce 8400 GS
156
Radeon R9 380
GeForce 8400 GS
Architecture
GCN (2011−2017)
Tesla (2006−2010)
GPU code name
Tonga Pro
G86
Market segment
Desktop
Desktop
Release date
June 2015
April 2007
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
2 x 6-pin
None
SLI options
-
+
Bridgeless CrossFire
1
-
Boost clock speed
970 MHz
-
Compute units
28
-
Core clock speed
-
459 MHz
Floating-point performance
3,476 gflops
29.376 gflops
Manufacturing process technology
28 nm
80 nm
Number of transistors
5,000 million
210 million
Pipelines / CUDA cores
1792
16
Power consumption (TDP)
190 Watt
40 Watt
Texture fill rate
108.6
3.6 billion/sec
Memory type
GDDR5
DDR2
Maximum RAM amount
4 GB
256 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
970 MHz
800 MHz
Memory bandwidth
182.4 GB/s
6.4 GB/s
High bandwidth memory (HBM)
-
-
Shared memory
-
-
Standard memory config per GPU
-
256 MB
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x VGA, 1x S-Video
Eyefinity
+
-
Number of Eyefinity displays
6
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
11.1 (10_0)
CUDA
-
1.1
Mantle
+
-
OpenCL
2.0
1.1
OpenGL
4.5
2.1
Shader Model
6.3
4.0
Vulkan
+
N/A
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
FRTC
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
+
-
TrueAudio
+
-
VCE
+
-
ZeroCore
+
-