NVIDIA GeForce RTX 4090 48 GB

NVIDIA GeForce RTX 4090 48 GB — 48 Гб GDDR6X, 16,384 ядер, GPI 35.6

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Performance Rating

Modified GeForce RTX 4090 created by Chinese workshops by resoldering memory chips onto a custom PCB with double the GDDR6X modules (48 GB instead of 24 GB). Used for AI/ML workloads where 24 GB VRAM is insufficient. Unofficial modification, not manufactured by NVIDIA.

Reference card by chip manufacturer: NVIDIA GeForce RTX 4090

A100 A100
H200 H200
MI325X MI325X

NVIDIA GeForce RTX 4090 48 GB

35.6

NVIDIA GeForce RTX 4090 48 GB

35.6

Memory

Memory Size

48 GB

Memory Type

Memory Bandwidth

1.01 TB/s

Memory Bus Width

384 бит

ML Performance

FP16 (Half Precision)

82.58 TFLOPS

BF16 (Brain Float)

No TFLOPS
311.84 TFLOPS
(NVIDIA A800 SXM4 80 GB)

TF32 (TensorFloat)

Compute Power

FP32 (Single Precision)

82.58 TFLOPS

FP64 (Double Precision)

No TFLOPS

CUDA Cores

Architecture & Compatibility

GPU Architecture

Ada Lovelace

SM (Streaming Multiprocessor)

PCIe Version

PCIe 4.0 x16

ML Software Support

CUDA Version

CUDA Toolkit (first supported)

CUDA Toolkit 11

CUDA Toolkit status

Supported

Clocks & Performance

Base Clock

Boost Clock

Memory Clock

Power Consumption

Recommended PSU

Power Connector

1x 16-pin

TDP/TGP

450 W
unknown
(NVIDIA CMP 70HX)

Rendering

Texture Units (TMU)

L2 Cache

72 MB

Additional

Slots

Dual-slot
SXM Module
(NVIDIA B300)

Release Date

Sept. 20, 2022
March 12, 2026
(Intel Arc B770)

Display Outputs

HDMI
DisplayPort
Portable Device Dependent
(NVIDIA GeForce RTX 5090 Mobile)

Rent this GPU on Intelion Cloud

RTX 4090 (48GB)

Available for rent on Intelion Cloud

from 81.85 RUB/hour Rent
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