CMP 40HX

Reference GPU

Turing Mining GPUs Desktop GDDR6 2021 NVIDIA

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At a Glance

Entry Type: Reference GPU
Architecture: Turing
Series: Mining GPUs
GPU Die: TU106
Launch Date: 2021-02-25
CUDA Cores: 2,304
TMUs: 144
ROPs: 64
Memory: 8 GB GDDR6
Bus Width: 256-bit
TDP/TBP: 185 W
Rec. PSU: 450 W
Interface: PCIe 1.0 x4
Data Confidence: Partial

GPU Specs

Identity
Entry Type	Reference GPU
Official Name	NVIDIA CMP 40HX
GPU Codename	TU106
Architecture	Turing
Launch Date	2021-02-25
Market Segment Notes	Desktop in Mining GPUs
Core Specs
GPU Die	TU106
Chip Variant / Package	BGA-2228
Process Node	TSMC 12 nm
Transistor Count	10.8 billion
Die Size	445 mm²
CUDA Cores	2304
SM Count	36
TMUs	144
ROPs	64
AI Units / Tensor Cores	288
RT Units / RT Cores	36
Base Clock	1,470 MHz
Boost Clock	1,650 MHz
Pixel Fillrate	105.6 GP/s
Texture Fillrate	237.6 GT/s
FP32 Throughput	7.6 TFLOPS
FP16 Throughput	15.21 TFLOPS
FP64 Throughput	0.24 TFLOPS
Memory
Memory Size	8 GB
Memory Type	GDDR6
Memory Bus Width	256-bit
Memory Clock	1,750 MHz
Memory Bandwidth	448 GB/s
L2 Cache	4 MB
L1 Cache	64 KB
Board and Display
TDP / TBP	185 W
Recommended PSU	450 W
Power Connectors	1x 8-pin
Interface	PCIe 1.0 x4
Slot Width	Dual-slot, 229 mm length, 35 mm width
Card Length	229 mm
Board Partner Model	Reference or OEM specification
Reference Design	NVIDIA reference design
Board Partner Notes	Exact retail board models can differ in cooler, PCB, clocks, display outputs, BIOS behavior, and power connector layout.
Software
CUDA Compute Capability	7.5
Shader Model	6.8
DirectX Support	DirectX 12.2
Vulkan Support	Vulkan 1.4
OpenGL Support	OpenGL 4.6
OpenCL Support	OpenCL 3.0
Driver Branch Notes	Driver support depends on architecture, operating system, and current NVIDIA driver branch.
Windows Support Notes	Check the current NVIDIA driver branch and OEM support policy for this exact GPU.
Linux Support Notes	Check the current NVIDIA Linux driver branch, distribution packages, and kernel compatibility for this exact GPU.

Overview

CMP 40HX is an NVIDIA GPU entry in the Mining GPUs family. It is listed with Turing architecture and TU106 silicon.

Key reference data: 2,304 CUDA cores/shaders, 8 GB GDDR6 memory, 256-bit memory bus, 185 W board power class.

Board-partner cards can vary in cooler, PCB, display outputs, clocks, BIOS behavior, and power connector layout.

Collector Notes

For archival use, record the exact board-partner SKU, PCB revision, VBIOS, cooler, slot width, memory configuration, power connectors, display outputs, factory clocks, and any regional or OEM markings.

Used-Market Caution

Before buying used, verify the exact model and memory size, stress-test for artifacts, inspect fans, pads, screws, and power connectors, confirm display outputs, check driver support, and be wary of mined, flashed, or counterfeit listings.

Known Issues

Known issues pending source review.

SourcesPartial

Sources reviewed: 2026-06-20

This entry is still being source-checked.

Specifications are currently based on reference/spec-dump sources. Historical notes require additional source review.

Data confidence and source status

Partial entry. Core specifications may be present, but history, variant notes, known issues, and source review may be incomplete.

Verified: core specifications and historical notes have been reviewed against listed sources.
Partial: core specifications may be present, but history, variant notes, known issues, and source review may be incomplete.
Imported: spec-only imported entry pending editorial source review.
Needs source review: narrative notes are incomplete until reviewed.

Independent reference sources

TechPowerUp GPU SpecsModel-level specification reference for this GPU entryOpen source

Derived datasets and spec dumps

RightNow GPU DatabaseOpen data inventory used for bulk normalization and cross-checking Derived/spec-dump source. Treat as a reference dataset, not independent historical verification.Open source

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Overview

Collector Notes

Used-Market Caution

Known Issues

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Independent reference sources

Derived datasets and spec dumps