Radeon R9 285 and T400 4 GB - video card comparison
Passmark - benchmark score Radeon R9 285 vs T400 4 GB
Radeon R9 285
6880
T400 4 GB
3831
Radeon R9 285
T400 4 GB
Architecture
GCN 3.0 (2014−2017)
Turing (2018−2021)
GPU code name
Tonga
TU117
Market segment
Desktop
Desktop
Release date
September 2014
May 2021
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
None
Boost clock speed
-
1425 MHz
Core clock speed
918 MHz
-
Floating-point performance
3,290 gflops
-
Manufacturing process technology
28 nm
12 nm
Number of transistors
5,000 million
4,700 million
Pipelines / CUDA cores
1792
384
Power consumption (TDP)
190 Watt
30 Watt
Texture fill rate
102.8
34.20
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
4 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
5.5 GB/s
10 GB/s
Memory bandwidth
176.0 GB/s
80 GB/s
Display Connectors
2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
3x mini-DisplayPort
HDMI
+
-
DirectX
12 (12_0)
12 (12_1)
CUDA
-
7.5
OpenCL
2.1
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.6
Vulkan
1.2.170
1.2