ASUS PHOENIX RX 6400 vs NVIDIA A800 SXM4 80 GB

Comparison of ASUS PHOENIX RX 6400 with 4 GB GDDR6 and 768 cores vs NVIDIA A800 SXM4 80 GB with 80 GB HBM2e and 6,912 cores.

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

ASUS PHOENIX RX 6400

ASUS PHOENIX RX 6400

MI250 MI250
Instinct MI300X Instinct MI300X
RX 7900 XTX RX 7900 XTX

NVIDIA A800 SXM4 80 GB

NVIDIA A800 SXM4 80 GB

Contents:

Memory ML Performance Compute Power Architecture & Compatibility ML Software Support Clocks & Performance Power Consumption Rendering Additional

Memory

Memory Size

4 GB 80 GB

Memory Type

GDDR6 HBM2e

Memory Bandwidth

128.0 GB/s 2.04 TB/s

Memory Bus Width

64 бит 5,120 бит

ML Performance

FP16 (Half Precision)

7.13 TFLOPS 77.97 TFLOPS

BF16 (Brain Float)

No 311.84 TFLOPS

TF32 (TensorFloat)

No 155.92

Compute Power

FP32 (Single Precision)

3.565 TFLOPS 19.49 TFLOPS

FP64 (Double Precision)

0.2228 TFLOPS 9.746 TFLOPS

CUDA Cores

768 6,912

RT Cores

12 No

Architecture & Compatibility

GPU Architecture

RDNA 2.0 Ampere

SM (Streaming Multiprocessor)

No 108

PCIe Version

PCIe 4.0 x4 PCIe 4.0 x16

ML Software Support

CUDA Version

No 8.0

Clocks & Performance

Base Clock

1,923 1,155

Boost Clock

2,321 1,410

Memory Clock

2,000 1,593

Power Consumption

TDP/TGP

🔥 -87% 53 W
400 W

Recommended PSU

🔥 -69% 250 W
800 W

Power Connector

None None

Rendering

Texture Units (TMU)

48 432

ROP

12 No

L2 Cache

1024 KB 40 MB

Additional

Slots

Dual-slot SXM Module

Release Date

Jan. 19, 2022 Aug. 11, 2022

Display Outputs

1x HDMI 2.1
1x DisplayPort 1.4a
No outputs

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