Monday, May 23, 2022

NVIDIA’s A4000 GPU has a compact PCB with an outstanding efficiency of 140W

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Over at Nvidia’s subreddit,  disassembled pictures of Nvidia’s RTX A400  graphics card have been published by Snake-Robot. These images show us the extremely compact PCB  design that resides underneath the single cooler making us want a half-length variant of the card.

The NVIDIA RTX A4000  is a single slot and full-length form factor.  this graphics card has a blower fan that circulates are within the cooler shroud both from the bottom and topsides.  the backplate of the graphics card has a cut out for the blower fan at the bottom as well.  this further cools the compact aluminium fin array which makes direct contact with the GPU. 

 below the shroud, we have a compact PCB  that is almost as small as AMD Radeon R9 Nano.  this card features a configuration of 6114 cores as well as 16GB of the GDDR6 memory bus.  the total bandwidth of the card is reported to be 448 GB per second and the card has a total TDP of 140W.  the power is supplied through a single 6 pin connector which is located beyond the PCB with extender cables. the card also features four display outputs and all of which are the display output port 1.4a.

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Speaking about the total HP of the card we are looking at a power of around 20 TFLOP of FP32  compute. This is much higher when compared to AMD Radeon R9 Nano which delivered around 8.1 TFLOPS  of FP32  compute at 170W. This clearly shows the difference in the efficiency of both the GPUs.

NVIDIA Ampere Workstation Graphics Cards:

Graphics CardNVIDIA RTX A2000NVIDIA RTX A4000NVIDIA RTX A5000NVIDIA RTX A6000
GPUAmpere GA106 GPUAmpere GA104 GPUAmpere GA102 GPUAmpere GA102 GPU
GPU ProcessSamsung 8nmSamsung 8nmSamsung 8nmSamsung 8nm
Die Size276 mm²392.5 mm²628mm²628mm²
GPU Cores33286,1448,19210752
Tensor Cores104192256336
Boost Clock~1200 MHz?1536 MHz1697 MHz1455 MHz
Single Precision8.0 TFLOPs19.2 TFLOPs27.8 TFLOPs31.2 TFLOPs
VRAM6 GB GDDR616 GB GDDR624 GB GDDR648 GB GDDR6
NVLINK VRAMN/AN/A48 GB GDDR696 GB GDDR6
Memory Bus192-bit256-bit384-bit284-bit
Memory Bandwidth228 GB/s448 GB/s768 GB/s768 GB/s
TDP70W140W230W300W
Launch PriceTBCTBCTBC$4650 US
Launch DateOctober. 2021April 2021April 2021December 2020

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Nivedita Bangari
Nivedita Bangari
I am a software engineer by profession and technology is my love, learning and playing with new technologies is my passion.

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