
Radeon R9 285 and UHD Graphics 770 - video card comparison
Passmark - benchmark score Radeon R9 285 vs UHD Graphics 770
Radeon R9 285
6880
UHD Graphics 770
2844
Radeon R9 285
UHD Graphics 770
Architecture
GCN 3.0 (2014−2017)
Alder Lake
GPU code name
Tonga
Alder Lake xG
Market segment
Desktop
Desktop
Release date
September 2014
January 2022
Interface
PCIe 3.0 x16
Ring Bus
Supplementary power connectors
2x 6-pin
-
Boost clock speed
-
300 MHz
Core clock speed
918 MHz
-
Floating-point performance
3,290 gflops
-
Manufacturing process technology
28 nm
10 nm
Number of transistors
5,000 million
-
Pipelines / CUDA cores
1792
32
Power consumption (TDP)
190 Watt
15 Watt
Texture fill rate
102.8
26.40
Memory type
GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
5.5 GB/s
1550 MHz
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
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.4
Vulkan
1.2.170
1.3