
TITAN RTX and A40 PCIe - video card comparison
TITAN RTX
A40 PCIe
Architecture
Turing (2018−2021)
Ampere (2020−2022)
GPU code name
TU102
GA102
Market segment
Desktop
Desktop
Release date
December 2018
October 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
8-pin EPS
Boost clock speed
1770 MHz
1755 MHz
Core clock speed
1350 MHz
-
Manufacturing process technology
12 nm
8 nm
Number of transistors
18,600 million
28,300 million
Pipelines / CUDA cores
4608
10752
Power consumption (TDP)
280 Watt
300 Watt
Texture fill rate
509.8
589.7
Memory type
GDDR6
GDDR6
Maximum RAM amount
24 GB
48 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
14000 MHz
14.5 GB/s
Memory bandwidth
672.0 GB/s
695.8 GB/s
Display Connectors
1x HDMI, 3x DisplayPort, 1x USB Type-C
3x DisplayPort
HDMI
+
-
DirectX
12 Ultimate (12_1)
12 Ultimate (12_2)
CUDA
7.5
8.6
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.5
6.5
Vulkan
1.2.131
1.2