GeForce GTX 275 and Radeon R7 M340 - video card comparison
Passmark - benchmark score GeForce GTX 275 vs Radeon R7 M340
GeForce GTX 275
1458
Radeon R7 M340
679
GeForce GTX 275
Radeon R7 M340
Architecture
Tesla 2.0 (2007−2013)
GCN (2011−2017)
GPU code name
GT200B
Meso Pro DDR3
Market segment
Desktop
Laptop
Release date
January 2009
June 2015
Bus support
PCI-E 2.0
PCIe 3.0
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
2x 6-pin
None
SLI options
+
-
Boost clock speed
-
1021 MHz
Compute units
-
6
Core clock speed
633 MHz
1021 MHz
CUDA cores
240
-
Floating-point performance
673.9 gflops
549.1 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
1,400 million
950 million
Pipelines / CUDA cores
240
320
Power consumption (TDP)
219 Watt
-
Maximum GPU temperature
105 °C
-
Texture fill rate
50.6 billion/sec
17.16
Memory type
GDDR3
DDR3
Maximum RAM amount
896 MB
4 GB
Memory bus width
448 Bit
128 Bit
Memory clock speed
1134 MHz
1000 MHz
Memory bandwidth
127.0 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
Two Dual Link DVI
No outputs
Multi monitor support
+
-
Eyefinity
-
1
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
DirectX® 12
CUDA
+
-
Mantle
-
+
OpenCL
1.1
Not Listed
OpenGL
3.0
4.4
Shader Model
4.0
5.1
Vulkan
N/A
+
AppAcceleration
-
-
DualGraphics
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
+
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+