CMP 40HX vs Radeon R9 280X2

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Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the rankingnot rated289
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data21.81
Power efficiencyno data7.16
ArchitectureGCN 1.0 (2011−2020)Turing (2018−2022)
GPU code nameTahitiTU106
Market segmentDesktopWorkstation
Release dateno data25 February 2021 (3 years ago)
Launch price (MSRP)no data$699

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores20482304
Core clock speed950 MHz1470 MHz
Boost clock speed1000 MHz1650 MHz
Number of transistors4,313 million10,800 million
Manufacturing process technology28 nm12 nm
Power consumption (TDP)375 Watt185 Watt
Texture fill rate128.0237.6
Floating-point processing power4.096 TFLOPS7.603 TFLOPS
ROPs3264
TMUs128144
Tensor Coresno data288
Ray Tracing Coresno data36

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 3.0 x16PCIe 3.0 x16
Length315 mm229 mm
Width2-slot2-slot
Supplementary power connectors3x 8-pin1x 8-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5GDDR6
Maximum RAM amount3 GB8 GB
Memory bus width384 Bit256 Bit
Memory clock speed1500 MHz1750 MHz
Memory bandwidth288.0 GB/s448.0 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors6x mini-DisplayPort 1.2No outputs

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (11_1)12 Ultimate (12_2)
Shader Model6.5 (5.1)6.6
OpenGL4.64.6
OpenCL2.1 (1.2)3.0
Vulkan1.2.1701.2
CUDA-7.5

Pros & cons summary


Maximum RAM amount 3 GB 8 GB
Chip lithography 28 nm 12 nm
Power consumption (TDP) 375 Watt 185 Watt

CMP 40HX has a 166.7% higher maximum VRAM amount, a 133.3% more advanced lithography process, and 102.7% lower power consumption.

We couldn't decide between Radeon R9 280X2 and CMP 40HX. We've got no test results to judge.

Be aware that Radeon R9 280X2 is a desktop card while CMP 40HX is a workstation one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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AMD Radeon R9 280X2
Radeon R9 280X2
NVIDIA CMP 40HX
CMP 40HX

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


5 1 vote

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3.4 55 votes

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Questions & comments

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