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GPU Efficiency Rankings

Raw TFLOPS do not tell the whole story. A GPU that draws 600W to deliver 100 TFLOPS is less efficient than one that delivers 80 TFLOPS at 300W. We rank every GPU in our catalog by three efficiency metrics using real spec data.

TFLOPS per Watt measures performance per unit of power — critical for large clusters and sustainability.TFLOPS per GB measures compute density — important when memory bandwidth is the bottleneck.Combined divides per-watt by VRAM for the ultimate efficiency score.

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Efficiency ranking

RankGPUTFLOPS/WFP16TDPVRAMYearTags
#1AMD Instinct MI300X
CDNA 3
1.743
1307750 W192 GB2024
datacentertraininginference
#2NVIDIA L4
Ada Lovelace
1.681
12172 W24 GB2023
datacenterinference
#3NVIDIA RTX 6000 Ada
Ada Lovelace
1.217
365300 W48 GB2023
workstationinferencetraining
#4NVIDIA B200
Blackwell
1.125
11251000 W192 GB2024
datacentertraininginference
#5NVIDIA L40S
Ada Lovelace
1.046
366350 W48 GB2023
datacenterinferencegraphics
#6NVIDIA GB200
Blackwell
0.938
11251200 W192 GB2024
datacentertraininginference
#7NVIDIA T4
Turing
0.929
6570 W16 GB2018
datacenterinference
#8NVIDIA B300
Blackwell Ultra
0.846
11001300 W288 GB2025
datacentertraininginference
#9NVIDIA A10
Ampere
0.833
125150 W24 GB2021
datacenterinference
#10NVIDIA A100
Ampere
0.780
312400 W80 GB2020
datacentertraininginference
#11NVIDIA RTX 5090
Blackwell
0.729
419575 W32 GB2025
consumerinferencetraining
#12NVIDIA H100
Hopper
0.707
495700 W80 GB2023
datacentertraininginference
#13NVIDIA H200
Hopper
0.707
495700 W141 GB2024
datacentertraininginference
#14NVIDIA H200 NVL
Hopper
0.697
418600 W141 GB2024
datacentertraininginference
#15AMD Instinct MI250X
CDNA 2
0.684
383560 W128 GB2022
datacentertraininginference
#16NVIDIA RTX 5080
Blackwell
0.625
225360 W16 GB2025
consumerinferencetraining
#17NVIDIA RTX A4000
Ampere
0.550
77140 W16 GB2021
workstationinference
#18NVIDIA RTX A6000
Ampere
0.517
155300 W48 GB2020
workstationinferencetraining
#19NVIDIA A40
Ampere
0.500
150300 W48 GB2021
datacenterinferencegraphics
#20NVIDIA GH200
Hopper
0.495
4951000 W96 GB2023
datacentertraininginference
#21NVIDIA RTX A5000
Ampere
0.483
111230 W24 GB2021
workstationinferencetraining
#22NVIDIA A10G
Ampere
0.417
125300 W24 GB2021
datacenterinference
#23NVIDIA V100
Volta
0.417
125300 W32 GB2017
datacentertraininginference
#24NVIDIA RTX 4090
Ada Lovelace
0.367
165450 W24 GB2022
consumerinferencetraining
#25NVIDIA RTX 3090
Ampere
0.203
71350 W24 GB2020
consumerinferencetraining
#26NVIDIA A16
Ampere
0.144
36250 W64 GB2021
datacentervdiinference
#27NVIDIA P100
Pascal
0.076
19250 W16 GB2016
datacenterinference