Radeon HD 7970M and UHD Graphics 620 - video card comparison
Passmark - benchmark score Radeon HD 7970M vs UHD Graphics 620
Radeon HD 7970M
3635
UHD Graphics 620
1061
Radeon HD 7970M
UHD Graphics 620
Architecture
GCN (2011−2017)
Gen. 9.5 (2017)
GPU code name
Wimbledon XT
Kaby-Lake-Refresh GT2
Market segment
Laptop
Laptop
Release date
May 2012
September 2017
Interface
MXM-B (3.0)
PCIe 3.0 x1
Supplementary power connectors
None
-
Boost clock speed
-
1150 MHz
Core clock speed
850 MHz
300 MHz
Floating-point performance
2,176 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
2,800 million
189 million
Pipelines / CUDA cores
1280
24
Power consumption (TDP)
100 Watt
15 Watt
Texture fill rate
68.00
27.60
Memory type
GDDR5
LPDDR3/DDR4
Maximum RAM amount
2 GB
32 GB
Memory bus width
256 Bit
System Shared
Memory clock speed
4800 MHz
System Shared
Memory bandwidth
153.6 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 (12_1)
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.2.131
1.1.103
Quick Sync
-
+