Radeon RX 6400 vs GeForce Go 6600 NPB 128M

Primary details

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

Place in the rankingnot rated276
Place by popularitynot in top-100100
Cost-effectiveness evaluationno data53.42
Power efficiencyno data25.92
ArchitectureCurie (2003−2013)RDNA 2.0 (2020−2024)
GPU code nameNV43 A4Navi 24
Market segmentLaptopDesktop
Release date29 September 2005 (19 years ago)19 January 2022 (2 years ago)
Launch price (MSRP)no data$159

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 coresno data768
Core clock speed375 MHz1923 MHz
Boost clock speedno data2321 MHz
Number of transistors146 million5,400 million
Manufacturing process technology110 nm6 nm
Power consumption (TDP)no data53 Watt
Texture fill rate3.000111.4
Floating-point processing powerno data3.565 TFLOPS
ROPs432
TMUs848
Ray Tracing Coresno data12

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 1.0 x16PCIe 4.0 x4
Widthno data1-slot
Supplementary power connectorsno dataNone

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 typeDDRGDDR6
Maximum RAM amount128 MB4 GB
Memory bus width128 Bit64 Bit
Memory clock speed300 MHz2000 MHz
Memory bandwidth9.6 GB/s128.0 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 ConnectorsNo outputs1x HDMI 2.1, 1x DisplayPort 1.4a
HDMI-+

API compatibility

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

DirectX9.0c (9_3)12 Ultimate (12_2)
Shader Model3.06.7
OpenGL2.14.6
OpenCLN/A2.2
VulkanN/A1.3

Pros & cons summary


Recency 29 September 2005 19 January 2022
Maximum RAM amount 128 MB 4 GB
Chip lithography 110 nm 6 nm

RX 6400 has an age advantage of 16 years, a 3100% higher maximum VRAM amount, and a 1733.3% more advanced lithography process.

We couldn't decide between GeForce Go 6600 NPB 128M and Radeon RX 6400. We've got no test results to judge.

Be aware that GeForce Go 6600 NPB 128M is a notebook card while Radeon RX 6400 is a desktop 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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NVIDIA GeForce Go 6600 NPB 128M
GeForce Go 6600 NPB 128M
AMD Radeon RX 6400
Radeon RX 6400

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Community ratings

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