
Iris Plus Graphics 640 and Radeon HD 6450 - video card comparison
Passmark - benchmark score Iris Plus Graphics 640 vs Radeon HD 6450
Iris Plus Graphics 640
1534
Radeon HD 6450
203
Iris Plus Graphics 640
Radeon HD 6450
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
TeraScale 2 (2009−2015)
GPU code name
Kaby Lake GT3e
Caicos
Market segment
Laptop
Desktop
Release date
January 2017
April 2011
Bus support
-
PCIe 2.0 x8
Interface
PCIe 3.0 x1
PCIe 2.0 x16
Supplementary power connectors
-
None
Boost clock speed
1050 MHz
750 MHz
Core clock speed
300 MHz
-
Floating-point performance
-
200.0 gflops
Manufacturing process technology
14 nm
40 nm
Number of transistors
189 million
370 million
Pipelines / CUDA cores
48
160
Power consumption (TDP)
15 Watt
30 Watt
Texture fill rate
52.80
5.000
Memory type
DDR3L/LPDDR3/DDR4
GDDR5
Maximum RAM amount
32 GB
1 GB
Memory bus width
64/128 Bit
64 Bit
Memory clock speed
System Shared
800 MHz
Memory bandwidth
-
25.6 GB/s
Memory bandwidth
-
8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)
Shared memory
+
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x VGA
Eyefinity
-
1
Number of Eyefinity displays
-
4
HDMI
-
+
DisplayPort support
-
+
DirectX
12 (12_1)
DirectX® 11
Mantle
-
-
OpenCL
2.1
1.2
OpenGL
4.6
4.4
Shader Model
6.4
5.0
Vulkan
1.1.103
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
HD3D
-
-
PowerTune
-
-
Quick Sync
+
-
TrueAudio
-
-
ZeroCore
-
-