# GeForce GTX 660 256-bit (OEM) > NVIDIA · Kepler Discontinued Canonical: https://gpuninja.com/chips/geforce-gtx-660-256-bit-oem Data as of: 2026-10-11T17:17:31Z Path: Home › GPU chips > **Discontinued.** Discontinued on 29 Sep 2021. This page is a preserved snapshot of the last recorded specs, prices and benchmark results. - Specs verified: between 11 Oct 2026, 17:15 UTC and 11 Oct 2026, 17:17 UTC ## Specifications - Vendor: NVIDIA (Verified · source nvidia.custhelp.com · retrieved 11 Oct 2026, 16:58 UTC · checked 11 Oct 2026, 17:17 UTC) - Architecture: Kepler (Verified · source nvidia.custhelp.com · retrieved 11 Oct 2026, 16:58 UTC · checked 11 Oct 2026, 17:17 UTC) - Die: GK104 (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 16:57 UTC · checked 11 Oct 2026, 17:15 UTC) - Process: TSMC 28 nm (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 16:57 UTC · checked 11 Oct 2026, 17:15 UTC) - Shader cores: 1,152 (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 16:57 UTC · checked 11 Oct 2026, 17:15 UTC) - Tensor cores: None - RT cores: None - Memory bus: 256-bit (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 16:57 UTC · checked 11 Oct 2026, 17:15 UTC) - Max VRAM: 2 GB (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 16:57 UTC · checked 11 Oct 2026, 17:15 UTC) - Reference boost clock: 888 MHz (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 16:57 UTC · checked 11 Oct 2026, 17:15 UTC) - Reference TDP: 130 W (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 16:57 UTC · checked 11 Oct 2026, 17:15 UTC) - Host interface: PCIe 3.0 x16 (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 16:57 UTC · checked 11 Oct 2026, 17:15 UTC) - Launch MSRP: No public MSRP - Launch date: 22 Aug 2012 (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 16:57 UTC · checked 11 Oct 2026, 17:15 UTC) - Segment: Consumer (Verified · source nvidia.custhelp.com · retrieved 11 Oct 2026, 16:58 UTC · checked 11 Oct 2026, 17:17 UTC) - PCI IDs: Unknown - Status: Discontinued on 29 Sep 2021 (Verified · source nvidia.custhelp.com · retrieved 11 Oct 2026, 16:58 UTC · checked 11 Oct 2026, 17:17 UTC) ## Performance - Memory bandwidth: Unknown - FP32 compute: 2.05 TFLOPS (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 16:57 UTC · checked 11 Oct 2026, 17:15 UTC) - FP16 compute: Not supported - BF16 compute: Not supported - FP8 compute: Not supported - FP4 compute: Not supported - INT8 compute: Not supported ## Boards built on this chip Board, Chip, VRAM, TDP, Length, Slots, Price, Stock No boards recorded for this chip. ## Benchmarks No benchmark results recorded. ## Sources - https://nvidia.custhelp.com/app/answers/detail/a_id/5204 — Vendor, Architecture, Segment, Status; last verified 11 Oct 2026, 17:17 UTC - https://en.wikipedia.org/wiki/List_of_Nvidia_graphics_processing_units — Die, Shader cores, Memory bus, Max VRAM, Reference boost clock, Reference TDP, Launch date, FP32 compute; last verified 11 Oct 2026, 17:15 UTC - https://en.wikipedia.org/wiki/GeForce_600_series — Process, Host interface; last verified 11 Oct 2026, 17:15 UTC