NVIDIA GeForce RTX 4080 16 GB vs NVIDIA B200 SXM 192 GB

VS

NVIDIA GeForce RTX 4080 16 GB

NVIDIA B200 SXM 192 GB

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 16 GB and 192GB VRAM B200 SXM 192 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 16 GB 's Advantages

Boost Clock has increased by 36% (2505MHz vs 1837MHz)

Lower TDP (320W vs 1000W)

NVIDIA B200 SXM 192 GB 's Advantages

Released 1 years and 4 months late

More VRAM (192GB vs 16GB)

Larger VRAM bandwidth (4100GB/s vs 716.8GB/s)

7168 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4080 16 GB

48.74 TFLOPS

B200 SXM 192 GB +27%

62.08 TFLOPS

GeForce RTX 4080 16 GB

VS

B200 SXM 192 GB

Graphics Card

Sep 2022

Release Date

Jan 2024

GeForce 40

Generation

Tesla Blackwell

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

2205 MHz

Base Clock

1665 MHz

2505 MHz

Boost Clock

1837 MHz

1400 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

192GB

GDDR6X

Memory Type

HBM3e

256bit

Memory Bus

4096bit

716.8GB/s

Bandwidth

4100GB/s

Render Config

-

76

SM Count

132

9728

Shading Units

16896

304

TMUs

528

112

ROPs

24

304

Tensor Cores

528

76

RT Cores

-

128 KB (per SM)

L1 Cache

256 KB (per SM)

64 MB

L2 Cache

50 MB

-

Theoretical Performance

280.6 GPixel/s

Pixel Rate

44.09 GPixel/s

761.5 GTexel/s

Texture Rate

969.9 GTexel/s

48.74 TFLOPS

FP16 (half)

248.3 TFLOPS

48.74 TFLOPS

FP32 (float)

62.08 TFLOPS

761.5 GFLOPS

FP64 (double)

31.04 TFLOPS

Board Design

320W

TDP

1000W

700 W

Suggested PSU

1400 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

No outputs

1x 16-pin

Power Connectors

-

Graphics Processor

AD103

GPU Name

GB100

AD103-300-A1

GPU Variant

-

Ada Lovelace

Architecture

Blackwell

TSMC

Foundry

TSMC

4 nm

Process Size

5 nm

45.9 billion

Transistors

208 billion

379 mm²

Die Size

Unknown

Graphics Features

12 Ultimate (12_2)

DirectX

N/A

4.6

OpenGL

N/A

3.0

OpenCL

3.0

1.3

Vulkan

N/A

8.9

CUDA

9.0

6.6

Shader Model

N/A

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