Quadro P4000 and A40 PCIe - video card comparison
Quadro P4000
A40 PCIe
Architecture
Pascal (2016−2021)
Ampere (2020−2022)
GPU code name
GP104
GA102
Market segment
Workstation
Desktop
Release date
February 2017
October 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 6-pin
8-pin EPS
Boost clock speed
1480 MHz
1755 MHz
Core clock speed
1202 MHz
-
Floating-point performance
5,304 gflops
-
Manufacturing process technology
16 nm
8 nm
Number of transistors
7,200 million
28,300 million
Pipelines / CUDA cores
1792
10752
Power consumption (TDP)
100 Watt
300 Watt
Texture fill rate
165.8
589.7
Memory type
GDDR5
GDDR6
Maximum RAM amount
8 GB
48 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
7604 MHz
14.5 GB/s
Memory bandwidth
192 GB/s
695.8 GB/s
Shared memory
-
-
Display Connectors
4x DisplayPort
3x DisplayPort
Display Port
1.4
-
DirectX
12
12 Ultimate (12_2)
CUDA
6.1
8.6
OpenCL
1.2
2.0
OpenGL
4.5
4.6
Shader Model
5.1
6.5
Vulkan
+
1.2
3D Stereo
+
-
Mosaic
+
-
nView Display Management
+
-
Optimus
+
-