Radeon R9 280 and T400 - video card comparison
Passmark - benchmark score Radeon R9 280 vs T400
Radeon R9 280
5726
T400
3739
Radeon R9 280
T400
Architecture
GCN 1.0 (2012−2020)
Turing (2018−2021)
GPU code name
Tahiti
TU117
Market segment
Desktop
Desktop
Release date
March 2014
May 2021
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1 x 6-pin + 1 x 8-pin
None
Boost clock speed
933 MHz
1425 MHz
Floating-point performance
3,344 gflops
-
Manufacturing process technology
28 nm
12 nm
Number of transistors
4,313 million
4,700 million
Pipelines / CUDA cores
1792
384
Power consumption (TDP)
200 Watt
30 Watt
Texture fill rate
104.5
34.20
Memory type
GDDR5
GDDR6
Maximum RAM amount
3 GB
2 GB
Memory bus width
384 Bit
64 Bit
Memory clock speed
1250 MHz
10 GB/s
Memory bandwidth
240 GB/s
80 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
3x mini-DisplayPort
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 12
12 (12_1)
CUDA
-
7.5
Mantle
-
-
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.6
Vulkan
+
1.2
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-