
Radeon R9 280X and GeForce GT 620 - video card comparison
Passmark - benchmark score Radeon R9 280X vs GeForce GT 620
Radeon R9 280X
6012
GeForce GT 620
388
Radeon R9 280X
GeForce GT 620
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Thaiti XTL
GF108
Market segment
Desktop
Desktop
Release date
October 2013
May 2012
Bus support
PCIe 3.0
PCI Express 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1 x 6-pin + 1 x 8-pin
None
Boost clock speed
1000 MHz
-
Core clock speed
-
700 MHz
CUDA cores
-
96
Floating-point performance
4,096 gflops
268.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
4,313 million
585 million
Pipelines / CUDA cores
2048
96
Power consumption (TDP)
250 Watt
49 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
128.0
11.2 billion/sec
Memory type
GDDR5
DDR3
Maximum RAM amount
3 GB
1 GB
Memory bus width
384 Bit
64 Bit
Memory clock speed
-
1.8 GB/s
Memory bandwidth
288 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
Dual Link DVI-I, HDMI, VGA
Multi monitor support
-
+
Eyefinity
+
-
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
DisplayPort support
+
-
Audio input for HDMI
-
Internal
DirectX
DirectX® 12
12 (11_0)
CUDA
-
+
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.6
4.2
Shader Model
5.1
5.1
Vulkan
+
N/A
3D Blu-Ray
-
+
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-