# Tesla K40

> NVIDIA · Kepler

Discontinued

Canonical: https://gpuninja.com/chips/tesla-k40
Data as of: 2026-10-11T10:40:14Z
Path: Home › GPU chips

> **Discontinued.** Discontinued on 22 May 2021. This page is a preserved snapshot of the last recorded specs, prices and benchmark results.

- Specs verified: between 11 Oct 2026, 08:32 UTC and 11 Oct 2026, 10:40 UTC

## Specifications

- Vendor: NVIDIA (Verified · source international.download.nvidia.com · retrieved 11 Oct 2026, 06:16 UTC · checked 11 Oct 2026, 08:32 UTC)
- Architecture: Kepler (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 06:11 UTC · checked 11 Oct 2026, 08:32 UTC)
- Die: GK110B (Verified · source international.download.nvidia.com · retrieved 11 Oct 2026, 06:16 UTC · checked 11 Oct 2026, 08:32 UTC)
- Process: TSMC 28 nm (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 06:20 UTC · checked 11 Oct 2026, 08:32 UTC)
- Shader cores: 2,880 (Verified · source international.download.nvidia.com · retrieved 11 Oct 2026, 06:16 UTC · checked 11 Oct 2026, 08:32 UTC)
- Tensor cores: None
- RT cores: None
- Memory bus: 384-bit (Verified · source international.download.nvidia.com · retrieved 11 Oct 2026, 06:16 UTC · checked 11 Oct 2026, 08:32 UTC)
- Max VRAM: 12 GB (Verified · source international.download.nvidia.com · retrieved 11 Oct 2026, 06:16 UTC · checked 11 Oct 2026, 08:32 UTC)
- Reference boost clock: 875 MHz (Verified · source international.download.nvidia.com · retrieved 11 Oct 2026, 06:16 UTC · checked 11 Oct 2026, 08:32 UTC)
- Reference TDP: 235 W (Verified · source international.download.nvidia.com · retrieved 11 Oct 2026, 06:16 UTC · checked 11 Oct 2026, 08:32 UTC)
- Host interface: PCIe 3.0 x16 (Verified · source international.download.nvidia.com · retrieved 11 Oct 2026, 10:01 UTC · checked 11 Oct 2026, 10:40 UTC)
- Launch MSRP: No public MSRP
- Launch date: 18 Nov 2013 (Verified · source pcper.com · retrieved 11 Oct 2026, 06:18 UTC · checked 11 Oct 2026, 08:32 UTC)
- Segment: Data center (Verified · source international.download.nvidia.com · retrieved 11 Oct 2026, 06:16 UTC · checked 11 Oct 2026, 08:32 UTC)
- PCI IDs: 10de:1023, 10de:1024 (Verified · source download.nvidia.com · retrieved 11 Oct 2026, 06:11 UTC · checked 11 Oct 2026, 08:32 UTC)
- Status: Discontinued on 22 May 2021 (Verified · source tomshardware.com · retrieved 11 Oct 2026, 06:12 UTC · checked 11 Oct 2026, 08:32 UTC)

## Performance

- Memory bandwidth: 288 GB/s (Verified · source international.download.nvidia.com · retrieved 11 Oct 2026, 10:01 UTC · checked 11 Oct 2026, 10:40 UTC)
- FP32 compute: 5.04 TFLOPS (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 10:00 UTC · checked 11 Oct 2026, 10:40 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://international.download.nvidia.com/tesla/pdf/tesla-k40-passive-board-spec.pdf — Vendor, Die, Shader cores, Memory bus, Max VRAM, Reference boost clock, Reference TDP, Host interface, Segment, Memory bandwidth; last verified 11 Oct 2026, 10:40 UTC
- https://en.wikipedia.org/wiki/Nvidia_Tesla — Architecture, FP32 compute; last verified 11 Oct 2026, 10:40 UTC
- https://en.wikipedia.org/wiki/Kepler_(microarchitecture) — Process; last verified 11 Oct 2026, 08:32 UTC
- https://pcper.com/2013/11/nvidia-tesla-k40-gk110b-gets-a-career-and-more-vram/ — Launch date; last verified 11 Oct 2026, 08:32 UTC
- https://download.nvidia.com/XFree86/Linux-x86_64/470.256.02/README/supportedchips.html — PCI IDs; last verified 11 Oct 2026, 08:32 UTC
- https://www.tomshardware.com/news/nvidia-will-kill-off-support-for-kepler-gpus-with-next-r470-driver — Status; last verified 11 Oct 2026, 08:32 UTC