GeForce 840A and GeForce GT 440 - video card comparison
Passmark - benchmark score GeForce 840A vs GeForce GT 440
GeForce 840A
1214
GeForce GT 440
793
GeForce 840A
GeForce GT 440
Architecture
Maxwell (2014−2018)
Fermi (2010−2014)
GPU code name
GM108
GF108
Market segment
Desktop
Desktop
Release date
March 2014
February 2011
Bus support
-
PCI-E 2.0 x 16
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
-
None
Boost clock speed
1124 MHz
-
Core clock speed
1029 MHz
810 MHz
CUDA cores
-
96
Floating-point performance
863.2 gflops
311.04 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
-
585 million
Pipelines / CUDA cores
384
96
Power consumption (TDP)
33 Watt
65 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
17.98
13.0 billion/sec
Memory type
DDR3
DDR3
Maximum RAM amount
2 GB
512 MB GDDR5 or 1 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
2002 MHz
1600 MHz (GDDR5) or 900 MHz (DDR3)
Memory bandwidth
16.02 GB/s
28.8 (DDR3) – 51.2 (GDDR5)
Standard memory config per GPU
-
1 GB GDDR5 or 2 GB
Display Connectors
No outputs
HDMIVGADual Link DVI
Multi monitor support
-
+
HDMI
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
12 (11_0)
12 (11_0)
CUDA
5.0
+
OpenCL
1.2
1.1
OpenGL
4.6
4.2
Shader Model
5.1
5.1
Vulkan
1.1.126
N/A