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GPU comparison

H200 NVL vs GB300.

The GB300 is ahead on memory (288 GB vs 141 GB) and speed (3.0x the FP16 throughput and up to 67% more memory bandwidth). The H200 NVL makes sense when your model fits in 141 GB and its hourly price is lower.

Rent either on Runcrate

Live hourly price, then per GB of memory and per 100 FP16 TFLOPS.

Which is better for

Which to pick for each job. Memory fit and throughput, from the datasheets.

  • Hold a 70B model in 8-bit weights

    70 GB of 8-bit weights

    H200 NVL: 1 GPU, 71 GB spare

    GB300: 1 GPU, 218 GB spare

    GB300. Same GPU count, up to 67% more memory bandwidth.

  • Serve an 8B model in 16-bit weights

    16 GB of 16-bit weights

    H200 NVL: 1 GPU, 125 GB spare

    GB300: 1 GPU, 272 GB spare

    GB300. Same GPU count, up to 67% more memory bandwidth.

  • Fine-tune a 70B model with QLoRA

    About 46 GB with 4-bit weights

    H200 NVL: 1 GPU, 95 GB spare

    GB300: 1 GPU, 242 GB spare

    GB300. Same GPU count, 3.0x the FP16 throughput.

  • Train on a full node

    FP16 tensor throughput per node

    H200 NVL: 8x, 6,680 TFLOPS, NVLink in groups of 4

    GB300: 8x, 20,000 TFLOPS, NVLink

    GB300. 3.0x the FP16 throughput per GPU.

  • Throughput per watt

    FP16 TFLOPS per 100 W of TDP

    H200 NVL: 139 TFLOPS per 100 W

    GB300: Varies by card

    Either. Varies by card.

Compare another pair

vs

Hopper

NVIDIA H200 NVL

from$4.63/hr
Available now · 2 regions
Memory
141 GB HBM3e
FP16 tensor
835 TFLOPS
Bandwidth
4.8 TB/s
Full pricing details

Blackwell

NVIDIA GB300

Not in stock right now
Memory
288 GB HBM3e
FP16 tensor
2500 TFLOPS
Bandwidth
up to 8.0 TB/s
Full pricing details

At a glance

Spec by spec. The longer bar is the better number.

Memory

NVIDIA H200 NVL141 GB
NVIDIA GB300288 GB

Memory bandwidth

NVIDIA H200 NVL4.8 TB/s
NVIDIA GB300up to 8.0 TB/s

FP16 tensor

NVIDIA H200 NVL835 TFLOPS
NVIDIA GB3002500 TFLOPS

FP32

NVIDIA H200 NVL60 TFLOPS
NVIDIA GB30083 TFLOPS

Full specs

The complete spec sheet.

SpecNVIDIA H200 NVLNVIDIA GB300
ArchitectureHopperBlackwell
Memory141 GB288 GB
Memory typeHBM3eHBM3e
Memory bandwidth4.8 TB/sup to 8.0 TB/s
FP3260 TFLOPS83 TFLOPS
FP16 tensor835 TFLOPS2500 TFLOPS
INT81670 TOPS167 TOPS
TDP600 Wup to 1400 W
Form factorPCIeSuperchip
NVLinkIn groups of 4Yes
GPUs per node88
Hourly price (live)from $4.63/hrNot in stock right now

Questions

H200 NVL or GB300. What buyers ask first.

Other comparisons

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