AMD Radeon Instinct MI8 vs NVIDIA Quadro K620M

VS

AMD Radeon Instinct MI8 NVIDIA Quadro K620M

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

Main Differences

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

NVIDIA Quadro K620M 's Advantages

Boost Clock1124MHz

Lower TDP (30W vs 175W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI8 +849%

8.192 TFLOPS

Quadro K620M

0.863 TFLOPS

Radeon Instinct MI8

VS

Quadro K620M

Graphics Card

Dec 2016

Release Date

Mar 2015

Radeon Instinct

Generation

Quadro Mobile

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

Base Clock

1029 MHz

-

Boost Clock

1124 MHz

500 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

HBM

Memory Type

DDR3

4096bit

Memory Bus

64bit

512.0GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

64

Compute Units

-

4096

Shading Units

384

256

TMUs

16

64

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

2 MB

L2 Cache

1024 KB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

8.992 GPixel/s

256.0 GTexel/s

Texture Rate

17.98 GTexel/s

8.192 TFLOPS

FP16 (half)

-

8.192 TFLOPS

FP32 (float)

863.2 GFLOPS

512.0 GFLOPS

FP64 (double)

26.98 GFLOPS

Graphics Processor

Fiji

GPU Name

GM108

Fiji XT CA (215-0862120)

GPU Variant

N15M-Q3

GCN 3.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

8.9 billion

Transistors

Unknown

596 mm²

Die Size

Unknown

Board Design

175W

TDP

30W

450 W

Suggested PSU

-

No outputs

Outputs

No outputs

1x 8-pin

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

5.0

6.5

Shader Model

5.1

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