NVIDIA Quadro RTX 4000 vs NVIDIA RTX A4000

Table of Contents

Graphics Processor

GPU model TU104 GA104
GPU variant TU104-850-A1 GA104-875-A1
Architecture Turing Ampere
Foundry TSMC Samsung
Manufacturing process 12 nm 8 nm
Number of transistors 13,600 million 17,400 million
Die size 545 mm² 392 mm²

Graphics Card

Release date Nov 13th, 2018 Apr 12th, 2021
Generation Quadro Quadro
Production Active Active
Launch price 899 USD
Interface PCIe 3.0 x16 PCIe 4.0 x16

Clocks

Base clock 1005 MHz 735 MHz
Boost clock 1545 MHz 1560 MHz
Memory clock 1625 MHz 13 Gbps effective 1750 MHz 14 Gbps effective

Memory Configuration

Memory size 8 GB 16 GB
Memory type GDDR6 GDDR6
Memory bus width 256 bit 256 bit
Bandwidth 416.0 GB/s 448.0 GB/s

Render Configuration

Shading units 2304 6144
TMUs 144 192
ROPs 64 96
SM count 36 48
Tensor cores 288 192
RT cores 36 48
Cache L1 64 KB (per SM) 128 KB (per SM)
Cache L2 4 MB 4 MB

Performance

Pixel rate 98.88 GPixel/s 149.8 GPixel/s
Texture rate 222.5 GTexel/s 299.5 GTexel/s
FP16 (half) performance 14.24 TFLOPS (2:1) 19.17 TFLOPS (1:1)
FP32 (float) performance 7.119 TFLOPS 19.17 TFLOPS
FP64 (double) performance 222.5 GFLOPS (1:32) 599.0 GFLOPS (1:32)

Dimensions & Outputs

Slot width Single-slot Single-slot
Length 241 mm 9.5 inches 241 mm 9.5 inches
Width 111 mm 4.4 inches 112 mm 4.4 inches
TDP 160 W 140 W
Suggested PSU 450 W 300 W
Outputs 3x DisplayPort1x USB Type-C 4x DisplayPort
Power connectors 1x 8-pin 1x 6-pin

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 7.5 8.6
Shader model 6.6 6.6

Other Features

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