
Radeon R9 380X and Radeon HD 7850 - video card comparison
Passmark - benchmark score Radeon R9 380X vs Radeon HD 7850
Radeon R9 380X
6380
Radeon HD 7850
3976
Radeon R9 380X
Radeon HD 7850
Architecture
GCN 3.0 (2014−2017)
GCN 1.0 (2012−2020)
GPU code name
Antigua
Pitcairn
Market segment
Desktop
Desktop
Release date
November 2015
March 2012
Bus support
PCIe 3.0
PCIe 2.1 x16
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2 x 6-pin
1x 6-pin
Bridgeless CrossFire
1
-
Boost clock speed
970 MHz
1000 MHz
Compute units
32
-
Floating-point performance
3,973 gflops
1,761 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,000 million
2,800 million
Pipelines / CUDA cores
2048
1024
Power consumption (TDP)
190 Watt
130 Watt
Texture fill rate
124.2
55.04
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
970 MHz
1200 MHz
Memory bandwidth
182.4 GB/s
153.6 GB/s
High bandwidth memory (HBM)
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
1
1
Number of Eyefinity displays
6
-
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 12
12
Mantle
+
-
OpenCL
2.0
1.2
OpenGL
4.5
4.6
Shader Model
6.3
5.1
Vulkan
+
+
AppAcceleration
-
-
CrossFire
1
1
DDMA audio
+
-
Enduro
-
-
FreeSync
1
1
FRTC
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
+
-
TrueAudio
+
-
VCE
+
-
ZeroCore
+
-