
Tesla C870 and A800 PCIe 80 GB - video card comparison
Tesla C870
A800 PCIe 80 GB
Architecture
Tesla (2006−2010)
Ampere (2020−2022)
GPU code name
G80
GA100
Market segment
Workstation
Desktop
Release date
May 2007
November 2022
Interface
PCIe 1.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 6-pin
8-pin EPS
Boost clock speed
-
1410 MHz
Core clock speed
600 MHz
-
Floating-point performance
345.6 gflops
-
Manufacturing process technology
90 nm
7 nm
Number of transistors
681 million
54,200 million
Pipelines / CUDA cores
128
6912
Power consumption (TDP)
171 Watt
250 Watt
Texture fill rate
38.40
609.1
Memory type
GDDR3
HBM2e
Maximum RAM amount
1536 MB
80 GB
Memory bus width
384 Bit
5120 Bit
Memory clock speed
1600 MHz
3 GB/s
Memory bandwidth
76.8 GB/s
1,935 GB/s
Display Connectors
No outputs
No outputs
DirectX
11.1 (10_0)
N/A
CUDA
+
8.0
OpenCL
1.1
3.0
OpenGL
3.3
N/A
Shader Model
4.0
N/A
Vulkan
N/A
N/A