GeForce RTX 5070 vs Radeon 660M

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Primary details

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

Place in the ranking330not rated
Place by popularitynot in top-100not in top-100
Power efficiency28.04no data
ArchitectureRDNA 2.0 (2020−2024)Blackwell 2.0 (2025)
GPU code nameRembrandt+GB205
Market segmentLaptopDesktop
Release date3 January 2023 (1 year ago)2025

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 cores3846400
Core clock speed1500 MHz2235 MHz
Boost clock speed1900 MHz2520 MHz
Number of transistors13,100 millionno data
Manufacturing process technology6 nm0 nm
Power consumption (TDP)40 Watt220 Watt
Texture fill rate45.60504.0
Floating-point processing power1.459 TFLOPS32.26 TFLOPS
ROPs1664
TMUs24200
Tensor Coresno data200
Ray Tracing Cores650

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 x8PCIe 5.0 x16
Widthno data2-slot
Supplementary power connectorsNone1x 16-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 typeSystem SharedGDDR7
Maximum RAM amountSystem Shared12 GB
Memory bus widthSystem Shared192 Bit
Memory clock speedSystem Shared2500 MHz
Memory bandwidthno data120.0 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 ConnectorsPortable Device Dependent1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI-+

API compatibility

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

DirectX12 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.76.7
OpenGL4.64.6
OpenCL2.03.0
Vulkan1.31.3
CUDA-9.1

Pros & cons summary


Power consumption (TDP) 40 Watt 220 Watt

Radeon 660M has 450% lower power consumption.

We couldn't decide between Radeon 660M and GeForce RTX 5070. We've got no test results to judge.

Be aware that Radeon 660M is a notebook card while GeForce RTX 5070 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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AMD Radeon 660M
Radeon 660M
NVIDIA GeForce RTX 5070
GeForce RTX 5070

Comparisons with similar GPUs

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Community ratings

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3.6 320 votes

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2.6 123 votes

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Questions & comments

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