Gainward RTX 4090 Phantom vs NVIDIA A800 SXM4 80 GB

Comparison of Gainward RTX 4090 Phantom with 24 GB GDDR6X and 16,384 cores vs NVIDIA A800 SXM4 80 GB with 80 GB HBM2e and 6,912 cores.

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Performance Rating

Gainward RTX 4090 Phantom outperforms NVIDIA A800 SXM4 80 GB by 23.83% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

Gainward RTX 4090 Phantom

32.1

Gainward RTX 4090 Phantom

32.1
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

NVIDIA A800 SXM4 80 GB

25.9

NVIDIA A800 SXM4 80 GB

25.9

Contents:

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

Memory

Memory Size

24 ГБ
🔥 +233% 80 ГБ

Memory Type

GDDR6X HBM2e

Memory Bandwidth

🔥 1.01 TB/s
2.04 TB/s

Memory Bus Width

384 бит 5,120 бит

ML Performance

FP16 (Half Precision)

🔥 +6% 82.58 TFLOPS
77.97 TFLOPS

BF16 (Brain Float)

No
🔥 311.84 TFLOPS

TF32 (TensorFloat)

No
🔥 155.92

Compute Power

FP32 (Single Precision)

🔥 +324% 82.58 TFLOPS
19.49 TFLOPS

FP64 (Double Precision)

No
🔥 9.746 TFLOPS

CUDA Cores

🔥 +137% 16,384
6,912

RT Cores

🔥 128
No

Architecture & Compatibility

GPU Architecture

Ada Lovelace Ampere

SM (Streaming Multiprocessor)

🔥 +19% 128
108

PCIe Version

PCIe 4.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

🔥 8.9
8.0

Clocks & Performance

Base Clock

🔥 +94% 2,235
1,155

Boost Clock

🔥 +79% 2,520
1,410

Memory Clock

1,313
🔥 +21% 1,593

Power Consumption

TDP/TGP

450 W
🔥 -11% 400 W

Recommended PSU

850 W
🔥 -6% 800 W

Power Connector

1x 16-pin None

Rendering

Texture Units (TMU)

🔥 +19% 512
432

ROP

🔥 128
No

L2 Cache

🔥 +80% 72 MB
40 MB

Additional

Slots

Quad-slot
🔥 SXM Module

Release Date

Sept. 20, 2022 Aug. 11, 2022

Display Outputs

1x HDMI 2.1
3x DisplayPort 1.4a
No outputs

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