NVIDIA B200 SXM 192 GB vs AMD Radeon RX 7900 XT

VS

NVIDIA B200 SXM 192 GB

AMD Radeon RX 7900 XT

We compared two Desktop platform GPUs: 192GB VRAM B200 SXM 192 GB and 20GB VRAM Radeon RX 7900 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 2 months late

More VRAM (192GB vs 20GB)

Larger VRAM bandwidth (4100GB/s vs 800.0GB/s)

11520 additional rendering cores

AMD Radeon RX 7900 XT 's Advantages

Boost Clock has increased by 30% (2394MHz vs 1837MHz)

Lower TDP (300W vs 1000W)

Score

Benchmark

FP32 (float)

B200 SXM 192 GB +20%

62.08 TFLOPS

Radeon RX 7900 XT

51.48 TFLOPS

B200 SXM 192 GB

VS

Radeon RX 7900 XT

Graphics Card

Jan 2024

Release Date

Nov 2022

Tesla Blackwell

Generation

Navi III

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1665 MHz

Base Clock

1387 MHz

1837 MHz

Boost Clock

2394 MHz

2000 MHz

Memory Clock

2500 MHz

Memory

192GB

Memory Size

20GB

HBM3e

Memory Type

GDDR6

4096bit

Memory Bus

320bit

4100GB/s

Bandwidth

800.0GB/s

Render Config

-

Compute Units

84

132

SM Count

-

16896

Shading Units

5376

528

TMUs

336

24

ROPs

192

528

Tensor Cores

-

RT Cores

84

256 KB (per SM)

L1 Cache

256 KB per Array

50 MB

L2 Cache

6 MB

-

L3 Cache

80 MB

Theoretical Performance

44.09 GPixel/s

Pixel Rate

459.6 GPixel/s

969.9 GTexel/s

Texture Rate

804.4 GTexel/s

248.3 TFLOPS

FP16 (half)

103.0 TFLOPS

62.08 TFLOPS

FP32 (float)

51.48 TFLOPS

31.04 TFLOPS

FP64 (double)

1.609 TFLOPS

Board Design

1000W

TDP

300W

1400 W

Suggested PSU

700 W

No outputs

Outputs

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

-

Power Connectors

2x 8-pin

Graphics Processor

GB100

GPU Name

Navi 31

-

GPU Variant

Navi 31 XT (215-145000156)

Blackwell

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

5 nm

Process Size

5 nm

208 billion

Transistors

57.7 billion

Unknown

Die Size

529 mm²

Graphics Features

N/A

DirectX

12 Ultimate (12_2)

N/A

OpenGL

4.6

3.0

OpenCL

2.2

N/A

Vulkan

1.3

9.0

CUDA

-

N/A

Shader Model

6.7

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