Tesla D870 and A2 - video card comparison
Tesla D870
A2
Architecture
Tesla (2006−2010)
Ampere (2020−2022)
GPU code name
G80
GA107
Market segment
Workstation
Desktop
Release date
May 2007
November 2021
Interface
PCIe 1.0 x16
PCIe 4.0 x8
Supplementary power connectors
-
None
Boost clock speed
-
1770 MHz
Core clock speed
600 MHz
-
Floating-point performance
2x 345.6 gflops
-
Manufacturing process technology
90 nm
8 nm
Number of transistors
681 million
-
Pipelines / CUDA cores
128
1280
Power consumption (TDP)
520 Watt
60 Watt
Texture fill rate
38.40
70.80
Memory type
GDDR3
GDDR6
Maximum RAM amount
1536 MB
16 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
1600 MHz
12.5 GB/s
Memory bandwidth
76.8 GB/s
200.1 GB/s
Display Connectors
No outputs
No outputs
DirectX
11.1 (10_0)
12 Ultimate (12_2)
CUDA
+
8.6
OpenCL
1.1
3.0
OpenGL
3.3
4.6
Shader Model
4.0
6.6
Vulkan
N/A
1.2