NVIDIA Quadro K620M vs AMD Radeon Instinct MI8

VS

NVIDIA Quadro K620M AMD Radeon Instinct MI8

We compared two Professional market GPUs: 2GB VRAM Quadro K620M and 4GB VRAM Radeon Instinct MI8 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K620M 's Advantages

Boost Clock1124MHz

Lower TDP (30W vs 175W)

AMD Radeon Instinct MI8 's Advantages

Released 1 years and 9 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 14.40GB/s)

3712 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro K620M

0.863 TFLOPS

Radeon Instinct MI8 +849%

8.192 TFLOPS

Quadro K620M

VS

Radeon Instinct MI8

Graphics Card

Mar 2015

Release Date

Dec 2016

Quadro Mobile

Generation

Radeon Instinct

Professional

Type

Professional

MXM-A (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

1029 MHz

Base Clock

-

1124 MHz

Boost Clock

-

900 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

HBM

64bit

Memory Bus

4096bit

14.40GB/s

Bandwidth

512.0GB/s

Render Config

-

SM Count

-

Compute Units

64

384

Shading Units

4096

16

TMUs

256

8

ROPs

64

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

2 MB

Theoretical Performance

8.992 GPixel/s

Pixel Rate

64.00 GPixel/s

17.98 GTexel/s

Texture Rate

256.0 GTexel/s

-

FP16 (half)

8.192 TFLOPS

863.2 GFLOPS

FP32 (float)

8.192 TFLOPS

26.98 GFLOPS

FP64 (double)

512.0 GFLOPS

Graphics Processor

GM108

GPU Name

Fiji

N15M-Q3

GPU Variant

Fiji XT CA (215-0862120)

Maxwell

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

8.9 billion

Unknown

Die Size

596 mm²

Board Design

30W

TDP

175W

-

Suggested PSU

450 W

No outputs

Outputs

No outputs

None

Power Connectors

1x 8-pin

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2.170

5.0

CUDA

-

5.1

Shader Model

6.5

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