GeForce 840A and Radeon HD 3450 - video card comparison
Passmark - benchmark score GeForce 840A vs Radeon HD 3450
GeForce 840A
1214
Radeon HD 3450
125
GeForce 840A
Radeon HD 3450
Architecture
Maxwell (2014−2018)
TeraScale (2005−2013)
GPU code name
GM108
RV620
Market segment
Desktop
Desktop
Release date
March 2014
December 2007
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
-
None
Boost clock speed
1124 MHz
-
Core clock speed
1029 MHz
600 MHz
Floating-point performance
863.2 gflops
48 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
-
181 million
Pipelines / CUDA cores
384
40
Power consumption (TDP)
33 Watt
25 Watt
Texture fill rate
17.98
2.400
Memory type
DDR3
DDR2
Maximum RAM amount
2 GB
256 MB
Memory bus width
64 Bit
64 Bit
Memory clock speed
2002 MHz
1000 MHz
Memory bandwidth
16.02 GB/s
8 GB/s
Display Connectors
No outputs
1x DVI, 1x VGA, 1x S-Video
DirectX
12 (11_0)
10.1 (10_1)
CUDA
5.0
-
OpenCL
1.2
N/A
OpenGL
4.6
3.3
Shader Model
5.1
4.1
Vulkan
1.1.126
N/A