UHD Graphics 620 and GeForce 8800 GTS 640 - video card comparison
UHD Graphics 620
GeForce 8800 GTS 640
Architecture
Gen. 9.5 (2017)
Tesla (2006−2010)
GPU code name
Kaby-Lake-Refresh GT2
G80
Market segment
Laptop
Desktop
Release date
September 2017
November 2006
Interface
PCIe 3.0 x1
PCIe 1.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
1150 MHz
-
Core clock speed
300 MHz
513 MHz
Floating-point performance
-
228.1 gflops
Manufacturing process technology
14 nm
90 nm
Number of transistors
189 million
681 million
Pipelines / CUDA cores
24
96
Power consumption (TDP)
15 Watt
143 Watt
Texture fill rate
27.60
24.62
Memory type
LPDDR3/DDR4
GDDR3
Maximum RAM amount
32 GB
640 MB
Memory bus width
System Shared
320 Bit
Memory clock speed
System Shared
1584 MHz
Memory bandwidth
-
63.36 GB/s
Shared memory
+
-
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 (12_1)
11.1 (10_0)
CUDA
-
+
OpenCL
2.1
1.1
OpenGL
4.6
3.3
Shader Model
6.4
4.0
Vulkan
1.1.103
N/A
Quick Sync
+
-