AMD Radeon 660M
The AMD Radeon 660M is a integrated graphics processor, built on the RDNA 2.0 architecture using a 6 nm process. It has 384 shading units, a boost clock of 1.90 GHz and a 15 W board power rating. It scores 3,143 in the PassMark G3D benchmark. It supports DirectX 12, OpenGL 4.6 and Vulkan 1.2.
Depth: 31 recorded fields, 5 PassMark workloads
Specification data last verified July 27, 2026 against PassMark Videocard Benchmark and NanoReview (Firecrawl extract). Coverage: 6 of 10 tracked specifications recorded.
Performance
The AMD Radeon 660M scores 3,143 in the PassMark G3D benchmark, higher than 73.4% of the 2,658 GPUs benchmarked (PassMark rank #745), measured across 12 submitted results. Its PassMark G2D score is 641.
PassMark workload tests
In the PassMark workload tests the AMD Radeon 660M averages DirectX 9 45 fps, DirectX 10 11 fps, DirectX 11 30 fps, DirectX 12 14 fps and GPU Compute 1,369 ops/s, across 12 submitted results. Frames per second are PassMark test-scene rates, not game frame rates.
Theoretical throughput
FP32 (single precision) (1.459 TFLOPS), Pixel fill rate (30.4 GPixel/s) and Texture fill rate (45.6 GTexel/s) are calculated by Feex from stored specifications, not stated by AMD.
As stated by PassMark
Graphics processor
The AMD Radeon 660M is based on the RDNA 2.0 architecture, is manufactured on a 6 nm process, contains 13,100 million transistors and has a die size of 208 mm².
Shader configuration
The AMD Radeon 660M has 384 shading units, 6 compute units, 24 texture mapping units and 16 render output units.
The AMD Radeon 660M does not use XMX engines; those are specific to Intel Arc graphics. Feex has no recorded ray tracing core count for the AMD Radeon 660M.
Clock speeds
The AMD Radeon 660M runs at a base clock of 400 MHz and boosts to 1.90 GHz.
Memory
Board and power
The AMD Radeon 660M has a board power rating of 15 W.
Market
Benchmarks
Graphics and compute APIs
The AMD Radeon 660M supports DirectX 12, OpenGL 4.6 and Vulkan 1.2.
CUDA is an NVIDIA technology and does not apply to the AMD Radeon 660M. Feex has no recorded OpenCL version for the AMD Radeon 660M.
Naming and aliases
The AMD Radeon 660M is also known by other names: PassMark also lists it as AMD Radeon(TM) 660M.
Frequently asked questions
How much power does the AMD Radeon 660M use and what power supply does it need?
The AMD Radeon 660M has a board power rating of 15 W.
How fast is the AMD Radeon 660M?
The AMD Radeon 660M scores 3,143 in the PassMark G3D benchmark, higher than 73.4% of the 2,658 GPUs benchmarked. Its PassMark rank is #745. In the PassMark DirectX 12 test it averages 14 fps.
Similar performance
Compare the AMD Radeon 660M
Side-by-side specification comparisons against cards in the same performance band.