NVIDIA · Kepler · 2013
K40 GPU accelerator
K40 GPU accelerator: 12 GB GDDR5, 235 W, 2,880 CUDA cores. Launched October 8, 2013.
- Memory
- 12 GB
- Power
- 235 W
- Bus width
- 384 bit
Memory12 GB
18 of 32 in Data Center
Power235 W
25 of 40 by higher draw in Data Center
CUDA cores2,880
20 of 47 in Data Center
Current market
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Specifications
Memory
- Capacity
- 12 GB
- Memory type
- GDDR5
- Bus width
- 384 bit
- Bandwidth
- 288 GB/s
Compute
- CUDA cores
- 2,880
- SM count
- 15
- TMUs
- 240
- ROPs
- 48
Clocks
- Base clock
- 745 MHz
- Boost clock
- 875 MHz
Board
- TDP
- 235 W
- Form factor
- datacenter
Physical
- Architecture
- Kepler
- Series
- Data Center
- Launch date
- October 8, 2013
Not recorded by the source: generation, codename, process and transistors, or 9 further fields.
Die figure
Silicon, made visible
Die area is drawn against the largest recorded die in the catalog. Shader dots use a labeled, card-specific ratio so both early and modern GPUs remain legible.
Catalog context
Within its series, the K40 GPU accelerator ranks 18th of 32 for memory capacity. Its 235 W TDP is above the 75 W PCIe slot-power ceiling.
Source: Wikipedia, revision 1369488585 · catalog loaded 2026-08-16