NVIDIA A10 PCIe vs NVIDIA A40 PCIe

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Table of Contents

Graphics Processor
Graphics Card
Clocks
Memory Configuration
Render Configuration
Performance
Dimensions & Outputs
API Support & Features
Other Features

Graphics Processor

GPU model	GA102	GA102
GPU variant	GA102-890-A1	—
Architecture	Ampere	Ampere
Foundry	Samsung	Samsung
Manufacturing process	8 nm	8 nm
Number of transistors	28,300 million	28,300 million
Die size	628 mm²	628 mm²

Graphics Card

Release date	Apr 12th, 2021	Oct 5th, 2020
gpu.details.availability	2021	2021
Generation	Tesla	Tesla
Production	Active	Active
Interface	PCIe 4.0 x16	PCIe 4.0 x16

Clocks

Base clock	885 MHz	1305 MHz
Boost clock	1695 MHz	1740 MHz
Memory clock	1563 MHz 12.5 Gbps effective	1812 MHz 14.5 Gbps effective

Memory Configuration

Memory size	24 GB	48 GB
Memory type	GDDR6	GDDR6
Memory bus width	384 bit	384 bit
Bandwidth	600.2 GB/s	695.8 GB/s

Render Configuration

Shading units	9216	10752
TMUs	288	336
ROPs	96	112
SM count	72	84
Tensor cores	288	336
RT cores	72	84
Cache L1	128 KB (per SM)	128 KB (per SM)
Cache L2	6 MB	6 MB

Performance

Pixel rate	162.7 GPixel/s	194.9 GPixel/s
Texture rate	488.2 GTexel/s	584.6 GTexel/s
FP16 (half) performance	31.24 TFLOPS (1:1)	37.42 TFLOPS (1:1)
FP32 (float) performance	31.24 TFLOPS	37.42 TFLOPS
FP64 (double) performance	976.3 GFLOPS (1:32)	1,169 GFLOPS (1:32)

Dimensions & Outputs

Slot width	Single-slot	Dual-slot
Length	267 mm 10.5 inches	267 mm 10.5 inches
Width	112 mm 4.4 inches	112 mm 4.4 inches
TDP	150 W	300 W
Suggested PSU	450 W	700 W
Outputs	No outputs	3x DisplayPort
Power connectors	8-pin EPS	8-pin EPS
Board number	PG133 SKU 215	—

API Support & Features

DirectX	12 Ultimate (12_2)	12 Ultimate (12_2)
OpenGL	4.6	4.6
OpenCL	3.0	3.0
Vulkan	1.2	1.2
CUDA	8.6	8.6
Shader model	6.6	6.6

Other Features

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