NVIDIA L40 vs NVIDIA B200 Full Specs

Summary

18,176 Shaders 2.49GHz	18,944 Shaders 1.98GHz
48GB GDDR6864GB/s	192GB HBM3e7.7TB/s
Peak·FP32·FP16 90.52 TFLOPS	Peak·FP32·FP16 75.02 TFLOPS
Form Factor PCIe Card	Form Factor SXM6
TDP 300W	TDP 1000W
Power Connectors 1x 16-Pin 12VHPWR	Power Connectors -

Highlights

Peak OPS

Peak OPS FP32 FP16 Tensor FP4 FP4 Tensor Sparse Tensor FP8-16 FP8-16 Tensor Sparse Tensor FP8-32 FP8-32 Tensor Sparse Tensor FP16-16 FP16-16 Tensor Sparse Tensor FP16-32 FP16-32 Tensor Sparse FP64 Tensor FP64 BF16 Tensor BF16 BF16 Tensor Sparse Tensor TF32 Tensor INT8 Tensor INT4 Memory Bandwidth TDP

L402.9 POPSINT4 Tensor Sparse

x1

B20018 PFLOPSFP4 Tensor Sparse

x6.22

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Theoretical Performance

Clock Speed2490MHz UC·Base·Boost·OC	Clock Speed1980MHz UC·Boost·OC
Peak OPS 2.9 POPSINT4 Tensor Sparse	Peak OPS 18 PFLOPSFP4 Tensor Sparse
-	Tensor FP4 9 PFLOPS FP4 Tensor Sparse 18 PFLOPS
Tensor FP8-16 724.1 TFLOPS FP8-16 Tensor Sparse 1.45 PFLOPS Tensor FP8-32 362.1 TFLOPS FP8-32 Tensor Sparse 724.1 TFLOPS	Tensor FP8-16 4.5 PFLOPS FP8-16 Tensor Sparse 9 PFLOPS Tensor FP8-32 4.5 PFLOPS FP8-32 Tensor Sparse 9 PFLOPS
Tensor FP16-16 362.1 TFLOPS FP16-16 Tensor Sparse 724.1 TFLOPS Tensor FP16-32 181 TFLOPS FP16-32 Tensor Sparse 362.1 TFLOPS	Tensor FP16-16 2.25 PFLOPS FP16-16 Tensor Sparse 4.5 PFLOPS Tensor FP16-32 2.25 PFLOPS FP16-32 Tensor Sparse 4.5 PFLOPS
BF16 90.52 TFLOPS Tensor BF16 181 TFLOPS BF16 Tensor Sparse 362.1 TFLOPS	BF16 150 TFLOPS Tensor BF16 2.25 PFLOPS BF16 Tensor Sparse 4.5 PFLOPS
Tensor TF32 90.52 TFLOPS	Tensor TF32 1.13 PFLOPS
FP32 90.52 TFLOPS	FP32 75.02 TFLOPS
FP64 1.41 TFLOPS Tensor FP64 -	FP64 37.51 TFLOPS Tensor FP64 35.16 TFLOPS
Tensor INT4 1.45 POPS	Tensor INT4 -
Tensor INT8 724.1 TOPS	Tensor INT8 4.5 POPS
Ray 209.2 TOPS	Ray -
Pixel Rate 478.1 GPixel/s	Pixel Rate 63.4 GPixel/s
Texture Rate 1.41 TTexel/s	Texture Rate 1.17 TTexel/s

Core Config

Shaders 18,176 Shaders	Shaders 18,944 Shaders
TMUs 568 TMUs	TMUs 592 TMUs
ROPs 192 ROPs	ROPs 32 ROPs
Tensor Cores 568 T-Cores	Tensor Cores 592 T-Cores
RT Cores 142 RT-Cores	RT Cores -
SMs 142 SMs	SMs 148 SMs

Clocks

Base Clock 735MHz	Base Clock -
Boost Clock 2.49GHz	Boost Clock 1.98GHz
Tensor Clock -	Tensor Clock 1.86GHz

Cache

L2 Cache 98.3MB shared

L2 Cache 65.5MB shared

Memory

48GB GDDR6	192GB HBM3e
Memory Bus 384-bit	Memory Bus 8192-bit
Memory Speed 18GT/s	Memory Speed 7.5GT/s
Memory Bandwidth 864GB/s	Memory Bandwidth 7.7TB/s

Power & Thermals

TDP 300W

TDP 1000W

Video Output

Multi-Monitor 4	Multi-Monitor -
HDCP HDCP 2.3	HDCP -

Ports

4x DisplayPort 1.4

-

Encoder

Encoder Model 2x NVENC 8

-

Decoder

Decoder Model NVDEC 5

Decoder Model 7x NVDEC 6

Card

Form Factor PCIe Card	Form Factor SXM6
PCIe 2-Slots	PCIe -
Height 111 mm (4.37") Width 267 mm (10.51") Depth 40 mm (1.57")	-
Cooling Passive	Cooling Passive
Power Connectors 1x 16-Pin 12VHPWR	Power Connectors -

Chip

Manufacturer NVIDIA	Manufacturer NVIDIA
Chip Designer NVIDIA	Chip Designer NVIDIA
Architecture Ada Lovelace	Architecture Blackwell
Family Server	Family Server
Branding	Branding
Codename NV182	Codename NV190
Chip Variant AD102-200-A1	Chip Variant Umbriel
Market Segment Server	Market Segment Server
Release Date Oct 13, 2022	Release Date Mar 18, 2024

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 4N	Fabrication Node 4NP
Die Size 608mm²	Die Size 1620mm²
Transistor Count 76.3 Billion	Transistor Count 208 Billion
Transistor Density 125.4 MTr/mm²	Transistor Density 128.4 MTr/mm²

Images

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