Radeon R9 380X and Radeon HD 6770 - video card comparison
Passmark - benchmark score Radeon R9 380X vs Radeon HD 6770
Radeon R9 380X
6380
Radeon HD 6770
1286
Radeon R9 380X
Radeon HD 6770
Architecture
GCN 3.0 (2014−2017)
TeraScale 2 (2009−2015)
GPU code name
Antigua
Juniper
Market segment
Desktop
Desktop
Release date
November 2015
January 2011
Bus support
PCIe 3.0
PCIe 2.0 x16
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
2 x 6-pin
1x 6-pin
Bridgeless CrossFire
1
-
Boost clock speed
970 MHz
900 MHz
Compute units
32
-
Floating-point performance
3,973 gflops
1,360.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
5,000 million
1,040 million
Pipelines / CUDA cores
2048
800
Power consumption (TDP)
190 Watt
108 Watt
Texture fill rate
124.2
34.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
970 MHz
1050 MHz
Memory bandwidth
182.4 GB/s
76.8 GB/s
High bandwidth memory (HBM)
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
1
1
Number of Eyefinity displays
6
-
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 12
DirectX® 11
Mantle
+
-
OpenCL
2.0
1.2
OpenGL
4.5
4.4
Shader Model
6.3
5.0
Vulkan
+
-
AppAcceleration
-
-
CrossFire
1
1
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
FRTC
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
+
-
TrueAudio
+
-
VCE
+
-
ZeroCore
+
-