GeForce GTX 680M and Iris Plus Graphics 655 - video card comparison
Passmark - benchmark score GeForce GTX 680M vs Iris Plus Graphics 655
GeForce GTX 680M
3312
Iris Plus Graphics 655
1787
GeForce GTX 680M
Iris Plus Graphics 655
Architecture
Kepler (2012−2018)
Gen. 9.5 Kaby Lake (2015−2017)
GPU code name
N13E-GTX
Kaby Lake GT3e
Market segment
Laptop
Laptop
Release date
June 2012
September 2017
Bus support
PCI Express 3.0
-
Interface
MXM-B (3.0)
PCIe 3.0 x1
Supplementary power connectors
None
-
SLI options
+
-
Boost clock speed
758 MHz
1200 MHz
Core clock speed
720 MHz
300 MHz
CUDA cores
1344
-
Floating-point performance
2,038 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
3,540 million
189 million
Pipelines / CUDA cores
1344
48
Power consumption (TDP)
100 Watt
15 Watt
Texture fill rate
80.6 billion/sec
50.40
Memory type
GDDR5
DDR3/DDR4
Maximum RAM amount
4 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
1800 MHz
System Shared
Memory bandwidth
115.2 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
No outputs
DirectX
12 API
12 (12_1)
CUDA
+
-
OpenCL
1.1
2.1
OpenGL
4.5
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.1.103
Optimus
+
-
Quick Sync
-
+