AMD Radeon RX 6400 vs NVIDIA B200 SXM 192 GB

VS

AMD Radeon RX 6400 NVIDIA B200 SXM 192 GB

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 96GB VRAM B200 SXM 192 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Boost Clock has increased by 26% (2321MHz vs 1837MHz)

Larger VRAM bandwidth (128.0GB/s vs 4.10GB/s)

Lower TDP (53W vs 1000W)

NVIDIA B200 SXM 192 GB 's Advantages

Released 2 years late

More VRAM (96GB vs 4GB)

16128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6400

3.565 TFLOPS

B200 SXM 192 GB +1641%

62.08 TFLOPS

Radeon RX 6400

VS

B200 SXM 192 GB

Graphics Card

Jan 2022

Release Date

Jan 2024

Navi II

Generation

Tesla Blackwell

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 5.0 x16

Clock Speeds

1923 MHz

Base Clock

1665 MHz

2321 MHz

Boost Clock

1837 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

96GB

GDDR6

Memory Type

HBM3e

64bit

Memory Bus

4096bit

128.0GB/s

Bandwidth

4.10TB/s

Render Config

-

SM Count

132

12

Compute Units

-

768

Shading Units

16896

48

TMUs

528

32

ROPs

24

-

Tensor Cores

528

12

RT Cores

-

128 KB per Array

L1 Cache

256 KB (per SM)

1024 KB

L2 Cache

50 MB

Theoretical Performance

74.27 GPixel/s

Pixel Rate

44.09 GPixel/s

111.4 GTexel/s

Texture Rate

969.9 GTexel/s

7.130 TFLOPS

FP16 (half)

248.3 TFLOPS

3.565 TFLOPS

FP32 (float)

62.08 TFLOPS

222.8 GFLOPS

FP64 (double)

31.04 TFLOPS

Graphics Processor

Navi 24

GPU Name

GB100

Navi 24 XL (215-135000046)

GPU Variant

-

RDNA 2.0

Architecture

Blackwell

TSMC

Foundry

TSMC

6 nm

Process Size

5 nm

5.4 billion

Transistors

208 billion

107 mm²

Die Size

Unknown

Board Design

53W

TDP

1000W

250 W

Suggested PSU

1400 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

N/A

4.6

OpenGL

N/A

2.2

OpenCL

3.0

1.3

Vulkan

N/A

-

CUDA

9.0

6.6

Shader Model

N/A

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