GeForce GTX 590 and GeForce 840A - video card comparison
Passmark - benchmark score GeForce GTX 590 vs GeForce 840A
GeForce GTX 590
3441
GeForce 840A
1214
GeForce GTX 590
GeForce 840A
Architecture
Fermi (2010−2014)
Maxwell (2014−2018)
GPU code name
GF110
GM108
Market segment
Desktop
Desktop
Release date
March 2011
March 2014
Bus support
16x PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
Two 8-pin
-
SLI options
+
-
Boost clock speed
-
1124 MHz
Core clock speed
607 MHz
1029 MHz
CUDA cores
1024
-
Floating-point performance
2x 1,244.2 gflops
863.2 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
3,000 million
-
Pipelines / CUDA cores
1024
384
Power consumption (TDP)
365 Watt
33 Watt
Maximum GPU temperature
97 °C
-
Texture fill rate
77.7 billion/sec
17.98
Memory type
GDDR5
DDR3
Maximum RAM amount
3072 MB (1536 MB per GPU)
2 GB
Memory bus width
768-bit (384-bit per GPU)
64 Bit
Memory clock speed
1707 MHz
2002 MHz
Memory bandwidth
327.7 GB/s
16.02 GB/s
Shared memory
-
-
Display Connectors
Three Dual Link DVI-IMini DisplayPort
No outputs
Multi monitor support
+
-
HDMI
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (11_0)
CUDA
+
5.0
OpenCL
1.1
1.2
OpenGL
4.2
4.6
Shader Model
5.1
5.1
Vulkan
N/A
1.1.126