GPUSPECINDEX

NVIDIA · Kepler · 2012

K20 GPU accelerator

K20 GPU accelerator: 5 GB GDDR5, 225 W, 2,496 CUDA cores. Launched November 12, 2012.

Memory
5 GB
Power
225 W
Bus width
320 bit
Memory5 GB27 of 32 in Data Center
Power225 W27 of 40 by higher draw in Data Center
CUDA cores2,49624 of 47 in Data Center

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Memory

Capacity
5 GB
Memory type
GDDR5
Bus width
320 bit
Bandwidth
208 GB/s

Compute

CUDA cores
2,496
SM count
13
TMUs
208
ROPs
40
FP32
3,524 GFLOPS
FP64
1,175 GFLOPS

Clocks

Base clock
706 MHz
Boost clock
758 MHz

Board

TDP
225 W
Form factor
datacenter

Physical

Architecture
Kepler
Series
Data Center
Launch date
November 12, 2012

Not recorded by the source: generation, codename, process and transistors, or 7 further fields.

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.

Die size not recorded · 2,496 shadersDie size not recorded; shader grid shown without scale. Each dot = 32 shaders.2,496 shadersEach dot = 32 shadersDie size not recorded; shader grid shown without scale

Within its series, the K20 GPU accelerator ranks 24th of 36 for FP32 throughput and 27th of 32 for memory capacity. Its 225 W TDP is above the 75 W PCIe slot-power ceiling.

Source: Wikipedia, revision 1369488585 · catalog loaded 2026-08-16