Radeon R9 280X and Radeon HD 8670D - video card comparison
Passmark - benchmark score Radeon R9 280X vs Radeon HD 8670D
Radeon R9 280X
6012
Radeon HD 8670D
545
Radeon R9 280X
Radeon HD 8670D
Architecture
GCN (2011−2017)
Terascale 3 (2010−2013)
GPU code name
Thaiti XTL
Richland
Market segment
Desktop
Desktop
Release date
October 2013
June 2013
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
IGP
Supplementary power connectors
1 x 6-pin + 1 x 8-pin
-
Boost clock speed
1000 MHz
950 MHz
Core clock speed
-
844 MHz
Floating-point performance
4,096 gflops
-
Manufacturing process technology
28 nm
32 nm
Number of transistors
4,313 million
1,303 million
Pipelines / CUDA cores
2048
384
Power consumption (TDP)
250 Watt
100 Watt
Texture fill rate
128.0
22.80
Memory type
GDDR5
System Shared
Maximum RAM amount
3 GB
System Shared
Memory bus width
384 Bit
System Shared
Memory clock speed
-
System Shared
Memory bandwidth
288 GB/s
-
Shared memory
-
+
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
Eyefinity
+
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
11.2 (11_0)
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
+
N/A
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-