GPUSPECINDEX

NVIDIA · Kepler · 2012

K20X GPU accelerator

K20X GPU accelerator: 6 GB GDDR5, 235 W, 2,688 CUDA cores. Launched November 12, 2012.

Memory
6 GB
Power
235 W
Bus width
384 bit
Memory6 GB22 of 32 in Data Center
Power235 W25 of 40 by higher draw in Data Center
CUDA cores2,68821 of 47 in Data Center

Affiliate links — we may earn a commission.

Memory

Capacity
6 GB
Memory type
GDDR5
Bus width
384 bit
Bandwidth
250 GB/s

Compute

CUDA cores
2,688
SM count
14
TMUs
224
ROPs
48
FP32
3,935 GFLOPS
FP64
1,312 GFLOPS

Clocks

Base clock
732 MHz

Board

TDP
235 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 8 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 · 2,688 shadersDie size not recorded; shader grid shown without scale. Each dot = 32 shaders.2,688 shadersEach dot = 32 shadersDie size not recorded; shader grid shown without scale

Within its series, the K20X GPU accelerator ranks 23rd of 36 for FP32 throughput and 22nd 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