NVIDIA A2 vs NVIDIA RTX A4000

Table of Contents

Graphics Processor

GPU model GA107 GA104
Architecture Ampere Ampere
Foundry Samsung Samsung
Manufacturing process 8 nm 8 nm
Number of transistors unknown 17,400 million
Die size unknown 392 mm²
GPU variant GA104-875-A1

Graphics Card

Release date Nov 10th, 2021 Apr 12th, 2021
Generation Quadro Quadro
Production Active Active
Interface PCIe 4.0 x8 PCIe 4.0 x16

Clocks

Base clock 1440 MHz 735 MHz
Boost clock 1770 MHz 1560 MHz
Memory clock 1563 MHz 12.5 Gbps effective 1750 MHz 14 Gbps effective

Memory Configuration

Memory size 16 GB 16 GB
Memory type GDDR6 GDDR6
Memory bus width 128 bit 256 bit
Bandwidth 200.1 GB/s 448.0 GB/s

Render Configuration

Shading units 1280 6144
TMUs 40 192
ROPs 32 96
SM count 10 48
Tensor cores 40 192
RT cores 10 48
Cache L1 128 KB (per SM) 128 KB (per SM)
Cache L2 2 MB 4 MB

Performance

Pixel rate 56.64 GPixel/s 149.8 GPixel/s
Texture rate 70.80 GTexel/s 299.5 GTexel/s
FP16 (half) performance 4.531 TFLOPS (1:1) 19.17 TFLOPS (1:1)
FP32 (float) performance 4.531 TFLOPS 19.17 TFLOPS
FP64 (double) performance 70.80 GFLOPS (1:64) 599.0 GFLOPS (1:32)

Dimensions & Outputs

Slot width Single-slot Single-slot
TDP 60 W 140 W
Suggested PSU 250 W 300 W
Outputs No outputs 4x DisplayPort
Power connectors None 1x 6-pin
Board number PG179 SKU 220
Length 241 mm 9.5 inches
Width 112 mm 4.4 inches

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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