NVIDIA Tesla K20X vs NVIDIA Tesla K20Xm

What is the difference between NVIDIA Tesla K20X and NVIDIA Tesla K20Xm. Find out which graphics card has better performance.

Graphics Processor (GPU)

GK110GPU NameGK110
KeplerArchitectureKepler
TSMCFoundryTSMC
28 nmProcess Size28 nm
7,080 millionTransistors7,080 million
561 mm²Die Size561 mm²

Graphics Card

Nov 12th, 2012Release DateNov 12th, 2012
Tesla
(Kxx)
FamilyTesla
(Kxx)
End-of-lifeProductionEnd-of-life
7,699 USDLaunch Price7,699 USD
PCIe 3.0 x16Bus InterfacePCIe 3.0 x16

Memory

6 GBMemory Size6 GB
GDDR5Memory TypeGDDR5
384 bitMemory Bus384 bit
249.6 GB/sBandwidth249.6 GB/s

Performance

40.99 GPixel/sPixel fillrate40.99 GPixel/s
164.0 GTexel/sTexture fillrate164.0 GTexel/s
3.935 TFLOPSFP32 (float) performance3.935 TFLOPS
1,312 GFLOPS (1:3)FP64 (double) performance1,312 GFLOPS (1:3)

Clock Speeds

1300 MHz
5.2 Gbps effective
Memory Clock1300 MHz
5.2 Gbps effective
732 MHzGPU Clock732 MHz

Render Config

2688Shading Units2688
224TMUs224
48ROPs48
16 KB (per SMX)L1 Cache16 KB (per SMX)
1536 KBL2 Cache1536 KB

Board Design

Dual-slotSlot WidthDual-slot
267 mm
10.5 inches
Length267 mm
10.5 inches
235 WThermal design power (TDP)235 W
550 WSuggested PSU550 W
No outputsDisplay ConnectorsNo outputs

API support

12 (11_0)DirectX12 (11_0)
4.6OpenGL4.6
3.0OpenCL3.0
1.1Vulkan1.1
5.1Shader Model5.1
3.5CUDA3.5