NVIDIA B200 SXM 192 GB vs AMD Radeon RX 6950 XT

VS

NVIDIA B200 SXM 192 GB

AMD Radeon RX 6950 XT

We compared two Desktop platform GPUs: 192GB VRAM B200 SXM 192 GB and 16GB VRAM Radeon RX 6950 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA B200 SXM 192 GB 's Advantages

Released 1 years and 8 months late

More VRAM (192GB vs 16GB)

Larger VRAM bandwidth (4100GB/s vs 576.0GB/s)

11776 additional rendering cores

AMD Radeon RX 6950 XT 's Advantages

Boost Clock has increased by 26% (2310MHz vs 1837MHz)

Lower TDP (335W vs 1000W)

Score

Benchmark

FP32 (float)

B200 SXM 192 GB +162%

62.08 TFLOPS

Radeon RX 6950 XT

23.65 TFLOPS

B200 SXM 192 GB

VS

Radeon RX 6950 XT

Graphics Card

Jan 2024

Release Date

May 2022

Tesla Blackwell

Generation

Navi II

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1665 MHz

Base Clock

1860 MHz

1837 MHz

Boost Clock

2310 MHz

2000 MHz

Memory Clock

2250 MHz

Memory

192GB

Memory Size

16GB

HBM3e

Memory Type

GDDR6

4096bit

Memory Bus

256bit

4100GB/s

Bandwidth

576.0GB/s

Render Config

-

Compute Units

80

132

SM Count

-

16896

Shading Units

5120

528

TMUs

320

24

ROPs

128

528

Tensor Cores

-

RT Cores

80

256 KB (per SM)

L1 Cache

128 KB per Array

50 MB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

44.09 GPixel/s

Pixel Rate

295.7 GPixel/s

969.9 GTexel/s

Texture Rate

739.2 GTexel/s

248.3 TFLOPS

FP16 (half)

47.31 TFLOPS

62.08 TFLOPS

FP32 (float)

23.65 TFLOPS

31.04 TFLOPS

FP64 (double)

1478 GFLOPS

Board Design

1000W

TDP

335W

1400 W

Suggested PSU

700 W

No outputs

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a

-

Power Connectors

2x 8-pin

Graphics Processor

GB100

GPU Name

Navi 21

-

GPU Variant

Navi 21 KXTX (215-121000289)

Blackwell

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

7 nm

208 billion

Transistors

26.8 billion

Unknown

Die Size

520 mm²

Graphics Features

N/A

DirectX

12 Ultimate (12_2)

N/A

OpenGL

4.6

3.0

OpenCL

2.1

N/A

Vulkan

1.3

9.0

CUDA

-

N/A

Shader Model

6.5

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