Radeon R9 270X and GeForce GTX 275 - video card comparison
Passmark - benchmark score Radeon R9 270X vs GeForce GTX 275
Radeon R9 270X
5036
GeForce GTX 275
1458
Radeon R9 270X
GeForce GTX 275
Architecture
GCN (2011−2017)
Tesla 2.0 (2007−2013)
GPU code name
Curacao XT
GT200B
Market segment
Desktop
Desktop
Release date
October 2013
January 2009
Bus support
PCIe 3.0
PCI-E 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
2 x 6-pin
2x 6-pin
SLI options
-
+
Boost clock speed
1050 MHz
-
Core clock speed
-
633 MHz
CUDA cores
-
240
Floating-point performance
2,688 gflops
673.9 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
2,800 million
1,400 million
Pipelines / CUDA cores
1280
240
Power consumption (TDP)
180 Watt
219 Watt
Maximum GPU temperature
-
105 °C
Texture fill rate
84.00
50.6 billion/sec
Memory type
GDDR5
GDDR3
Maximum RAM amount
4 GB
896 MB
Memory bus width
256 Bit
448 Bit
Memory clock speed
-
1134 MHz
Memory bandwidth
179.2 GB/s
127.0 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
Two Dual Link DVI
Multi monitor support
-
+
Eyefinity
+
-
HDMI
+
-
Maximum VGA resolution
-
2048x1536
DisplayPort support
+
-
Audio input for HDMI
-
S/PDIF
DirectX
DirectX® 12
11.1 (10_0)
CUDA
-
+
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.6
3.0
Shader Model
5.1
4.0
Vulkan
+
N/A
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-