Radeon R9 280X and GeForce GT 540M - video card comparison
Passmark - benchmark score Radeon R9 280X vs GeForce GT 540M
Radeon R9 280X
6012
GeForce GT 540M
493
Radeon R9 280X
GeForce GT 540M
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Thaiti XTL
N12P-GS
Market segment
Desktop
Laptop
Release date
October 2013
January 2011
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
MXM-A (3.0)
Supplementary power connectors
1 x 6-pin + 1 x 8-pin
-
Boost clock speed
1000 MHz
-
Core clock speed
-
672 MHz
CUDA cores
-
96
Floating-point performance
4,096 gflops
258.05 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
35 Watt
Texture fill rate
128.0
10.8 billion/sec
Memory type
GDDR5
DDR3
Maximum RAM amount
3 GB
2 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
-
900 MHz
Memory bandwidth
288 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
Eyefinity
+
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
12 API
CUDA
-
+
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.6
4.5
Shader Model
5.1
5.1
Vulkan
+
N/A
3D Blu-Ray
-
+
3D Gaming
-
+
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
Optimus
-
+
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-