NVIDIA Tesla K40t vs NVIDIA Tesla C2050

VS

NVIDIA Tesla K40t

NVIDIA Tesla C2050

We compared two Professional market GPUs: 12GB VRAM Tesla K40t and 3GB VRAM Tesla C2050 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K40t 's Advantages

Released 2 years and 4 months late

Boost Clock876MHz

More VRAM (12GB vs 3GB)

Larger VRAM bandwidth (288.4GB/s vs 144.0GB/s)

2432 additional rendering cores

NVIDIA Tesla C2050 's Advantages

Lower TDP (238W vs 245W)

Score

Benchmark

FP32 (float)

Tesla K40t +390%

5.046 TFLOPS

Tesla C2050

1.028 TFLOPS

Tesla K40t

VS

Tesla C2050

Graphics Card

Nov 2013

Release Date

Jul 2011

Tesla

Generation

Tesla

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

745 MHz

Base Clock

-

876 MHz

Boost Clock

-

1502 MHz

Memory Clock

750 MHz

Memory

12GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

288.4GB/s

Bandwidth

144.0GB/s

Render Config

-

SM Count

14

2880

Shading Units

448

240

TMUs

56

48

ROPs

48

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

1536 KB

L2 Cache

768 KB

-

Theoretical Performance

52.56 GPixel/s

Pixel Rate

16.07 GPixel/s

210.2 GTexel/s

Texture Rate

32.14 GTexel/s

-

5.046 TFLOPS

FP32 (float)

1028 GFLOPS

1.682 TFLOPS

FP64 (double)

513.9 GFLOPS

Board Design

245W

TDP

238W

550 W

Suggested PSU

550 W

No outputs

Outputs

1x DVI

-

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK110B

GPU Name

GF100

-

GPU Variant

GF100-850-A3

Kepler

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

7.08 billion

Transistors

3.1 billion

561 mm²

Die Size

529 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

Vulkan

N/A

3.5

CUDA

2.0

5.1

Shader Model

5.1

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