NVIDIA Tesla K20c vs AMD Radeon Instinct MI25

VS

NVIDIA Tesla K20c

AMD Radeon Instinct MI25

We compared two Professional market GPUs: 5GB VRAM Tesla K20c and 16GB VRAM Radeon Instinct MI25 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20c 's Advantages

Lower TDP (225W vs 300W)

AMD Radeon Instinct MI25 's Advantages

Released 4 years and 7 months late

Boost Clock1500MHz

More VRAM (16GB vs 5GB)

Larger VRAM bandwidth (436.2GB/s vs 208.0GB/s)

1600 additional rendering cores

Score

Benchmark

FP32 (float)

Tesla K20c

3.524 TFLOPS

Radeon Instinct MI25 +248%

12.29 TFLOPS

Tesla K20c

VS

Radeon Instinct MI25

Graphics Card

Nov 2012

Release Date

Jun 2017

Tesla

Generation

Radeon Instinct

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1400 MHz

-

Boost Clock

1500 MHz

1300 MHz

Memory Clock

852 MHz

Memory

5GB

Memory Size

16GB

GDDR5

Memory Type

HBM2

320bit

Memory Bus

2048bit

208.0GB/s

Bandwidth

436.2GB/s

Render Config

-

Compute Units

64

-

2496

Shading Units

4096

208

TMUs

256

40

ROPs

64

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

1280 KB

L2 Cache

4 MB

-

Theoretical Performance

36.71 GPixel/s

Pixel Rate

96.00 GPixel/s

146.8 GTexel/s

Texture Rate

384.0 GTexel/s

-

FP16 (half)

24.58 TFLOPS

3.524 TFLOPS

FP32 (float)

12.29 TFLOPS

1175 GFLOPS

FP64 (double)

768.0 GFLOPS

Board Design

225W

TDP

300W

550 W

Suggested PSU

700 W

No outputs

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

GK110

GPU Name

Vega 10

GK110-885-KA-A1

GPU Variant

Vega 10 XT GL (215-0894124)

Kepler

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

7.08 billion

Transistors

12.5 billion

561 mm²

Die Size

495 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2

3.5

CUDA

-

5.1

Shader Model

6.4

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