Radeon R9 285 and Radeon 780M - video card comparison
Passmark - benchmark score Radeon R9 285 vs Radeon 780M
Radeon R9 285
6880
Radeon 780M
7300
Radeon R9 285
Radeon 780M
Architecture
GCN 3.0 (2014−2017)
RDNA 3
GPU code name
Tonga
Phoenix
Market segment
Desktop
Laptop
Release date
September 2014
January 2023
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
2x 6-pin
None
Boost clock speed
-
3000 MHz
Core clock speed
918 MHz
1500 MHz
Floating-point performance
3,290 gflops
-
Manufacturing process technology
28 nm
4 nm
Number of transistors
5,000 million
25,390 million
Pipelines / CUDA cores
1792
768
Power consumption (TDP)
190 Watt
54 Watt (35 - 54 Watt TGP)
Texture fill rate
102.8
139.2
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
System Shared
Memory bandwidth
176.0 GB/s
-
Shared memory
-
+
Display Connectors
2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
Portable Device Dependent
HDMI
+
-
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenCL
2.1
2.1
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2.170
1.3