
Radeon R9 285 and UHD Graphics 620 - video card comparison
Passmark - benchmark score Radeon R9 285 vs UHD Graphics 620
Radeon R9 285
6880
UHD Graphics 620
1061
Radeon R9 285
UHD Graphics 620
Architecture
GCN 3.0 (2014−2017)
Gen. 9.5 (2017)
GPU code name
Tonga
Kaby-Lake-Refresh GT2
Market segment
Desktop
Laptop
Release date
September 2014
September 2017
Interface
PCIe 3.0 x16
PCIe 3.0 x1
Supplementary power connectors
2x 6-pin
-
Boost clock speed
-
1150 MHz
Core clock speed
918 MHz
300 MHz
Floating-point performance
3,290 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
5,000 million
189 million
Pipelines / CUDA cores
1792
24
Power consumption (TDP)
190 Watt
15 Watt
Texture fill rate
102.8
27.60
Memory type
GDDR5
LPDDR3/DDR4
Maximum RAM amount
2 GB
32 GB
Memory bus width
256 Bit
System Shared
Memory clock speed
5.5 GB/s
System Shared
Memory bandwidth
176.0 GB/s
-
Shared memory
-
+
Display Connectors
2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 (12_1)
OpenCL
2.1
2.1
OpenGL
4.6
4.6
Shader Model
6.5
6.4
Vulkan
1.2.170
1.1.103
Quick Sync
-
+