GeForce GTX 275 and Radeon R5 340X OEM - video card comparison
GeForce GTX 275
Radeon R5 340X OEM
Architecture
Tesla 2.0 (2007−2013)
GCN 1.0 (2012−2020)
GPU code name
GT200B
Oland
Market segment
Desktop
Desktop
Release date
January 2009
May 2015
Bus support
PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
2x 6-pin
None
SLI options
+
-
Boost clock speed
-
1050 MHz
Core clock speed
633 MHz
900 MHz
CUDA cores
240
-
Floating-point performance
673.9 gflops
806.4 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
1,400 million
950 million
Pipelines / CUDA cores
240
384
Power consumption (TDP)
219 Watt
65 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
50.6 billion/sec
21.60
Memory type
GDDR3
DDR3
Maximum RAM amount
896 MB
2 GB
Memory bus width
448 Bit
64 Bit
Memory clock speed
1134 MHz
2000 MHz
Memory bandwidth
127.0 GB/s
16 GB/s
Display Connectors
Two Dual Link DVI
1x DVI, 1x DisplayPort
Multi monitor support
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
12 (11_1)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
3.0
4.6
Shader Model
4.0
5.1
Vulkan
N/A
1.2.131