
Iris Plus Graphics 640 and GeForce 7900 GT - video card comparison
Passmark - benchmark score Iris Plus Graphics 640 vs GeForce 7900 GT
Iris Plus Graphics 640
1534
GeForce 7900 GT
266
Iris Plus Graphics 640
GeForce 7900 GT
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
Curie (2003−2013)
GPU code name
Kaby Lake GT3e
G71
Market segment
Laptop
Desktop
Release date
January 2017
March 2006
Interface
PCIe 3.0 x1
PCIe 1.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
1050 MHz
-
Core clock speed
300 MHz
450 MHz
Manufacturing process technology
14 nm
90 nm
Number of transistors
189 million
278 million
Pipelines / CUDA cores
48
-
Power consumption (TDP)
15 Watt
48 Watt
Texture fill rate
52.80
10.80
Memory type
DDR3L/LPDDR3/DDR4
GDDR3
Maximum RAM amount
32 GB
256 MB
Memory bus width
64/128 Bit
256 Bit
Memory clock speed
System Shared
1320 MHz
Memory bandwidth
-
42.24 GB/s
Shared memory
+
-
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 (12_1)
9.0c (9_3)
OpenCL
2.1
N/A
OpenGL
4.6
2.1
Shader Model
6.4
3.0
Vulkan
1.1.103
N/A
Quick Sync
+
-