H100 SXM vs L4

Detailed comparison of specifications, performance, and pricing between NVIDIA H100 SXM and NVIDIA L4

๐Ÿ†
Overall Winner
L4
Wins 4 of 7 categories
โšก
Performance Leader
H100 SXM
2.0k TFLOPS (+718%)
๐Ÿ’ฐ
Price Leader
L4
$$2.8k (1043% cheaper)
๐Ÿ“Š
Best Value ($/TFLOPS)
L4
$12/TFLOPS
The H100 SXM is 718% faster, but the L4 is 1043% cheaper.

Difference Analysis

Metric
H100 SXM
Difference
L4
Tensor TFLOPS
2.0k
+718%
242.0
VRAM
80GB
+233%
24GB
Memory Bandwidth
3.4 TB/s
+1017%
300 GB/s
Hardware Price
$$32k
+1043%
$$2.8k
Cloud Price/hr
$2.10
+438%
$0.390

Full Specifications

Specification H100 SXM L4 AMD Radeon RX 7900 XT
Brand NVIDIA NVIDIA AMD
Series Data Center Data Center Consumer
Architecture Hopper Ada Lovelace RDNA 3
VRAM 80GB 24GB 20GB
VRAM Type HBM3 GDDR6 GDDR6
Memory Bandwidth 3.4 TB/s 300 GB/s 800 GB/s
FP16 TFLOPS 134.0 60.6 104.0
Tensor TFLOPS 2.0k 242.0 -
TDP 700W 72W 315W
Form Factor SXM PCIe -
Hardware Price $$32k $$2.8k -
Cloud Price (min) $2.10/hr $0.390/hr -

Which Should You Choose?

๐Ÿง 

For AI Training

Large model training needs maximum VRAM and memory bandwidth.

Recommended: H100 SXM
80GB VRAM ยท 3.4 TB/s
โšก

For AI Inference

Inference prioritizes throughput and cost efficiency.

Recommended: L4
Best performance per dollar
๐Ÿ’ฐ

On a Budget

Get the most capability for your money.

Recommended: L4
$$2.8k ยท 1043% cheaper
โ˜๏ธ

For Cloud Rental

Minimize hourly costs for cloud workloads.

Recommended: L4
From $0.390/hr

H100 SXM vs L4 FAQ

It depends on your use case. The H100 SXM offers 718% better performance (2.0k vs 242.0 TFLOPS). However, the L4 is 1043% cheaper. For raw performance, choose H100 SXM. For value, consider your budget and workload requirements.

The H100 SXM has more VRAM with 80GB compared to 24GB (233% more). More VRAM is crucial for training large models and running inference on bigger batch sizes.

For AI training, the H100 SXM is generally better due to its larger VRAM (80GB). Large language models and deep learning workloads benefit significantly from more memory. However, if your models fit in 24GB, the cheaper option may be more cost-effective.

The L4 is 1043% cheaper at $$2.8k vs $$32k. When considering performance per dollar, evaluate your specific workload requirements to determine the best value.

Upgrading to H100 SXM would give you 718% more performance and 233% more VRAM. The upgrade cost difference is approximately $$29k. Consider if your workloads are bottlenecked by current GPU capabilities.