Radeon R9 380X and Radeon HD 7870 - video card comparison
Passmark - benchmark score Radeon R9 380X vs Radeon HD 7870
Radeon R9 380X
6380
Radeon HD 7870
4779
Radeon R9 380X
Radeon HD 7870
Architecture
GCN 3.0 (2014−2017)
GCN (2011−2017)
GPU code name
Antigua
Pitcairn XT
Market segment
Desktop
Desktop
Release date
November 2015
March 2012
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2 x 6-pin
2x 6-pin
Bridgeless CrossFire
1
-
Boost clock speed
970 MHz
-
Compute units
32
-
Core clock speed
-
1000 MHz
Floating-point performance
3,973 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,000 million
2800 Million
Pipelines / CUDA cores
2048
1280
Power consumption (TDP)
190 Watt
175 Watt
Texture fill rate
124.2
80.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
970 MHz
4800 MHz
Memory bandwidth
182.4 GB/s
153.6 GB/s
High bandwidth memory (HBM)
-
-
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
1
+
Number of Eyefinity displays
6
-
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 12
12 (11_1)
Mantle
+
-
OpenCL
2.0
1.2
OpenGL
4.5
4.6
Shader Model
6.3
5.1
Vulkan
+
1.2.131
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
FRTC
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
+
-
TrueAudio
+
-
VCE
+
-
ZeroCore
+
-