Quadro RTX 4000 and Quadro RTX A6000 - video card comparison
Quadro RTX 4000
Quadro RTX A6000
Architecture
Turing (2018−2021)
Ampere (2020−2022)
GPU code name
TU104
Ampere
Market segment
Workstation
Workstation
Release date
November 2018
October 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 8-pin
8-pin EPS
Boost clock speed
1545 MHz
1800 MHz
Core clock speed
1005 MHz
1410 MHz
Manufacturing process technology
12 nm
8 nm
Number of transistors
13,600 million
28,300 million
Pipelines / CUDA cores
2304
10752
Power consumption (TDP)
160 Watt
300 Watt
Texture fill rate
222.5
625.0
Memory type
GDDR6
GDDR6
Maximum RAM amount
8 GB
48 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
13000 MHz
16000 MHz
Memory bandwidth
416.0 GB/s
768.0 GB/s
Shared memory
-
-
Display Connectors
3x DisplayPort, 1x USB Type-C
4x DisplayPort
DirectX
12 Ultimate (12_1)
12 Ultimate (12_2)
CUDA
7.5
8.6
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
6.5
6.5
Vulkan
1.2.131
1.2