Radeon R9 380X and Radeon HD 7970 - video card comparison
Passmark - benchmark score Radeon R9 380X vs Radeon HD 7970
Radeon R9 380X
6380
Radeon HD 7970
5405
Radeon R9 380X
Radeon HD 7970
Architecture
GCN 3.0 (2014−2017)
GCN (2011−2017)
GPU code name
Antigua
Tahiti XT
Market segment
Desktop
Desktop
Release date
November 2015
December 2011
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 + 1x 8-pin
Bridgeless CrossFire
1
-
Boost clock speed
970 MHz
925 MHz
Compute units
32
-
Floating-point performance
3,973 gflops
3,789 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,000 million
4,313 million
Pipelines / CUDA cores
2048
2048
Power consumption (TDP)
190 Watt
300 Watt
Texture fill rate
124.2
118.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
6 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
970 MHz
1375 MHz
Memory bandwidth
182.4 GB/s
264 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
DirectX® 11
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
+
-