Radeon 660M vs RX 5800

#ad 
Buy on Amazon
VS

Primary details

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

Place in the rankingnot rated332
Place by popularitynot in top-100not in top-100
Power efficiencyno data27.95
ArchitectureRDNA 2.0 (2020−2024)RDNA 2.0 (2020−2024)
GPU code nameNavi 23Rembrandt+
Market segmentDesktopLaptop
Release dateno data3 January 2023 (1 year ago)

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 cores3072384
Core clock speedno data1500 MHz
Boost clock speed1735 MHz1900 MHz
Number of transistorsno data13,100 million
Manufacturing process technology7 nm6 nm
Power consumption (TDP)275 Watt40 Watt
Texture fill rate333.145.60
Floating-point processing power10.66 TFLOPS1.459 TFLOPS
ROPs6416
TMUs19224
Ray Tracing Coresno data6

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 4.0 x16PCIe 4.0 x8
Width2-slotno data
Supplementary power connectors2x 8-pinNone

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 typeGDDR6System Shared
Maximum RAM amount8 GBSystem Shared
Memory bus width256 BitSystem Shared
Memory clock speed14000 MHzSystem Shared
Memory bandwidth448.0 GB/sno data
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 Connectors1x HDMI, 3x DisplayPortPortable Device Dependent
HDMI+-

API compatibility

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

DirectX12.0 (12_1)12 Ultimate (12_2)
Shader Modelno data6.7
OpenGL4.64.6
OpenCLno data2.0
Vulkan-1.3

Pros & cons summary


Chip lithography 7 nm 6 nm
Power consumption (TDP) 275 Watt 40 Watt

Radeon 660M has a 16.7% more advanced lithography process, and 587.5% lower power consumption.

We couldn't decide between Radeon RX 5800 and Radeon 660M. We've got no test results to judge.

Be aware that Radeon RX 5800 is a desktop card while Radeon 660M is a notebook one.


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

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon RX 5800
Radeon RX 5800
AMD Radeon 660M
Radeon 660M

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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


3.6 114 votes

Rate Radeon RX 5800 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.6 324 votes

Rate Radeon 660M on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.