NVIDIA Tesla P4 vs NVIDIA Tesla K20Xm

VS

We compared two Professional market GPUs: 8GB VRAM Tesla P4 and 6GB VRAM Tesla K20Xm to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla P4 's Advantages

Released 3 years and 10 months late

Boost Clock1114MHz

More VRAM (8GB vs 6GB)

Lower TDP (75W vs 235W)

NVIDIA Tesla K20Xm 's Advantages

Larger VRAM bandwidth (249.6GB/s vs 192.3GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Tesla P4 +44%

5.704 TFLOPS

Tesla K20Xm

3.935 TFLOPS

Blender

Tesla P4 +8%

405

Tesla K20Xm

372

OctaneBench

Tesla P4 +41%

89

Tesla K20Xm

63

Tesla P4

VS

Tesla K20Xm

Graphics Card

Sep 2016

Release Date

Nov 2012

Tesla

Generation

Tesla

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

886 MHz

Base Clock

-

1114 MHz

Boost Clock

-

1502 MHz

Memory Clock

1300 MHz

Memory

8GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

192.3GB/s

Bandwidth

249.6GB/s

Render Config

20

SM Count

-

Compute Units

-

2560

Shading Units

2688

160

TMUs

224

64

ROPs

48

-

Tensor Cores

-

RT Cores

-

48 KB (per SM)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

1536 KB

Theoretical Performance

71.30 GPixel/s

Pixel Rate

40.99 GPixel/s

178.2 GTexel/s

Texture Rate

164.0 GTexel/s

89.12 GFLOPS

FP16 (half)

-

5.704 TFLOPS

FP32 (float)

3.935 TFLOPS

178.2 GFLOPS

FP64 (double)

1312 GFLOPS

Graphics Processor

GP104

GPU Name

GK110

GP104-895-A1

GPU Variant

-

Pascal

Architecture

Kepler

TSMC

Foundry

TSMC

16 nm

Process Size

28 nm

7.2 billion

Transistors

7.08 billion

314 mm²

Die Size

561 mm²

Board Design

75W

TDP

235W

250 W

Suggested PSU

550 W

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

6.1

CUDA

3.5

6.4

Shader Model

5.1

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