AMD Radeon Pro W6800X vs NVIDIA GeForce GT 620

VS

AMD Radeon Pro W6800X

NVIDIA GeForce GT 620

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X and 1024MB VRAM GeForce GT 620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6800X 's Advantages

Released 9 years and 3 months late

Boost Clock2087MHz

More VRAM (32GB vs 1024GB)

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

3744 additional rendering cores

NVIDIA GeForce GT 620 's Advantages

Lower TDP (49W vs 200W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800X +5859%

16.03 TFLOPS

GeForce GT 620

0.269 TFLOPS

Radeon Pro W6800X

VS

GeForce GT 620

Graphics Card

Aug 2021

Release Date

May 2012

Radeon Pro Mac

Generation

GeForce 600

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 2.0 x16

Clock Speeds

1800 MHz

Base Clock

-

2087 MHz

Boost Clock

-

2000 MHz

Memory Clock

900 MHz

Memory

32GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

64bit

512.0GB/s

Bandwidth

14.40GB/s

Render Config

60

Compute Units

-

SM Count

2

3840

Shading Units

96

240

TMUs

16

96

ROPs

4

-

60

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

128 KB

128 MB

L3 Cache

-

Theoretical Performance

200.4 GPixel/s

Pixel Rate

2.800 GPixel/s

500.9 GTexel/s

Texture Rate

11.20 GTexel/s

32.06 TFLOPS

FP16 (half)

-

16.03 TFLOPS

FP32 (float)

268.8 GFLOPS

1002 GFLOPS

FP64 (double)

22.40 GFLOPS

Board Design

200W

TDP

49W

550 W

Suggested PSU

200 W

1x HDMI 2.1 4x Thunderbolt

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

Apple MPX

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

GF108

Navi 21 Pro-XLA

GPU Variant

GF108-100-KB-A1

RDNA 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

0.585 billion

520 mm²

Die Size

116 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

2.1

6.7

Shader Model

5.1

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