GeForce 840M and RTX A4000 - video card comparison
Passmark - benchmark score GeForce 840M vs RTX A4000
GeForce 840M
1121
RTX A4000
19982
GeForce 840M
RTX A4000
Architecture
Maxwell (2014−2018)
Ampere (2020−2022)
GPU code name
N15S-GT
GA104
Market segment
Laptop
Workstation
Release date
March 2014
April 2021
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x8
PCIe 4.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
1124 MHz
1560 MHz
Core clock speed
1029 MHz
-
Floating-point performance
863.2 gflops
-
Manufacturing process technology
28 nm
8 nm
Number of transistors
-
17,400 million
Pipelines / CUDA cores
384
6144
Power consumption (TDP)
33 Watt
140 Watt
Texture fill rate
17.98
299.5
Memory type
DDR3
GDDR6
Maximum RAM amount
4 GB
16 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
2000 MHz
14 GB/s
Memory bandwidth
16.02 GB/s
448.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
4x DisplayPort 1.4a
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
+
8.6
OpenCL
1.2
3.0
OpenGL
4.5
4.6
Shader Model
5.1
6.7
Vulkan
1.1.126
1.3
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-