Radeon R9 280X and Iris Plus Graphics 655 - video card comparison
Passmark - benchmark score Radeon R9 280X vs Iris Plus Graphics 655
Radeon R9 280X
6012
Iris Plus Graphics 655
1787
Radeon R9 280X
Iris Plus Graphics 655
Architecture
GCN (2011−2017)
Gen. 9.5 Kaby Lake (2015−2017)
GPU code name
Thaiti XTL
Kaby Lake GT3e
Market segment
Desktop
Laptop
Release date
October 2013
September 2017
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x1
Supplementary power connectors
1 x 6-pin + 1 x 8-pin
-
Boost clock speed
1000 MHz
1200 MHz
Core clock speed
-
300 MHz
Floating-point performance
4,096 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
4,313 million
189 million
Pipelines / CUDA cores
2048
48
Power consumption (TDP)
250 Watt
15 Watt
Texture fill rate
128.0
50.40
Memory type
GDDR5
DDR3/DDR4
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
12 (12_1)
Mantle
-
-
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
+
1.1.103
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
Quick Sync
-
+
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-