AMD Radeon RX 7900 XTX vs NVIDIA B200 SXM 192 GB

VS

AMD Radeon RX 7900 XTX

NVIDIA B200 SXM 192 GB

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX and 192GB 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 7900 XTX 's Advantages

Boost Clock has increased by 36% (2498MHz vs 1837MHz)

Lower TDP (355W vs 1000W)

NVIDIA B200 SXM 192 GB 's Advantages

Released 1 years and 2 months late

More VRAM (192GB vs 24GB)

Larger VRAM bandwidth (4100GB/s vs 960.0GB/s)

10752 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 7900 XTX

61.39 TFLOPS

B200 SXM 192 GB +1%

62.08 TFLOPS

Radeon RX 7900 XTX

VS

B200 SXM 192 GB

Graphics Card

Nov 2022

Release Date

Jan 2024

Navi III

Generation

Tesla Blackwell

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

1929 MHz

Base Clock

1665 MHz

2498 MHz

Boost Clock

1837 MHz

2500 MHz

Memory Clock

2000 MHz

Memory

24GB

Memory Size

192GB

GDDR6

Memory Type

HBM3e

384bit

Memory Bus

4096bit

960.0GB/s

Bandwidth

4100GB/s

Render Config

96

Compute Units

-

SM Count

132

6144

Shading Units

16896

384

TMUs

528

192

ROPs

24

-

Tensor Cores

528

96

RT Cores

-

256 KB per Array

L1 Cache

256 KB (per SM)

6 MB

L2 Cache

50 MB

96 MB

L3 Cache

-

Theoretical Performance

479.6 GPixel/s

Pixel Rate

44.09 GPixel/s

959.2 GTexel/s

Texture Rate

969.9 GTexel/s

122.8 TFLOPS

FP16 (half)

248.3 TFLOPS

61.39 TFLOPS

FP32 (float)

62.08 TFLOPS

1.918 TFLOPS

FP64 (double)

31.04 TFLOPS

Board Design

355W

TDP

1000W

750 W

Suggested PSU

1400 W

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

Outputs

No outputs

2x 8-pin

Power Connectors

-

Graphics Processor

Navi 31

GPU Name

GB100

Navi 31 XTX (215-145000146)

GPU Variant

-

RDNA 3.0

Architecture

Blackwell

TSMC

Foundry

TSMC

5 nm

Process Size

5 nm

57.7 billion

Transistors

208 billion

529 mm²

Die Size

Unknown

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

6.7

Shader Model

N/A

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