CMP 170HX vs Radeon RX 640

Primary details

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

Place in the ranking616not rated
Place by popularitynot in top-100not in top-100
Power efficiency7.29no data
ArchitectureGCN 4.0 (2016−2020)Ampere (2020−2024)
GPU code namePolaris 23GA100
Market segmentLaptopWorkstation
Release date13 May 2019 (5 years ago)1 September 2021 (3 years ago)
Launch price (MSRP)no data$4,299

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 cores6404480
Core clock speed1082 MHz1140 MHz
Boost clock speed1218 MHz1410 MHz
Number of transistors2,200 million54,200 million
Manufacturing process technology14 nm7 nm
Power consumption (TDP)50 Watt250 Watt
Texture fill rate48.72394.8
Floating-point processing power1.559 TFLOPS12.63 TFLOPS
ROPs16128
TMUs40280
Tensor Coresno data280

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).

Laptop sizelargeno data
InterfacePCIe 3.0 x8PCIe 4.0 x4
Widthno dataIGP
Supplementary power connectorsNone2x 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 typeGDDR5HBM2e
Maximum RAM amount2 GB16 GB
Memory bus width64 Bit4096 Bit
Memory clock speed1500 MHz1458 MHz
Memory bandwidth48 GB/s1,493 GB/s
Shared memory--

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 ConnectorsNo outputsNo outputs

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

FreeSync+-

API compatibility

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

DirectX12 (12_0)N/A
Shader Model6.4N/A
OpenGL4.6N/A
OpenCL2.03.0
Vulkan1.2.131N/A
CUDA-8.0

Pros & cons summary


Recency 13 May 2019 1 September 2021
Maximum RAM amount 2 GB 16 GB
Chip lithography 14 nm 7 nm
Power consumption (TDP) 50 Watt 250 Watt

RX 640 has 400% lower power consumption.

CMP 170HX, on the other hand, has an age advantage of 2 years, a 700% higher maximum VRAM amount, and a 100% more advanced lithography process.

We couldn't decide between Radeon RX 640 and CMP 170HX. We've got no test results to judge.

Be aware that Radeon RX 640 is a notebook card while CMP 170HX 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 RX 640
Radeon RX 640
NVIDIA CMP 170HX
CMP 170HX

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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