AMD Radeon RX 6650 XT vs NVIDIA GeForce GT 620 OEM

VS

AMD Radeon RX 6650 XT

NVIDIA GeForce GT 620 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT and 512MB VRAM GeForce GT 620 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6650 XT 's Advantages

Released 10 years and 1 months late

Boost Clock2635MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (280.3GB/s vs 14.37GB/s)

2000 additional rendering cores

NVIDIA GeForce GT 620 OEM 's Advantages

Lower TDP (30W vs 176W)

Score

Benchmark

FP32 (float)

Radeon RX 6650 XT +6816%

10.79 TFLOPS

GeForce GT 620 OEM

0.156 TFLOPS

Radeon RX 6650 XT

VS

GeForce GT 620 OEM

Graphics Card

May 2022

Release Date

Apr 2012

Navi II

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

2055 MHz

Base Clock

-

2635 MHz

Boost Clock

-

2190 MHz

Memory Clock

898 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

DDR3

128bit

Memory Bus

64bit

280.3GB/s

Bandwidth

14.37GB/s

Render Config

32

Compute Units

-

SM Count

1

2048

Shading Units

48

128

TMUs

8

64

ROPs

4

-

32

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

128 KB

32 MB

L3 Cache

-

Theoretical Performance

168.6 GPixel/s

Pixel Rate

1.620 GPixel/s

337.3 GTexel/s

Texture Rate

6.480 GTexel/s

21.59 TFLOPS

FP16 (half)

-

10.79 TFLOPS

FP32 (float)

155.5 GFLOPS

674.6 GFLOPS

FP64 (double)

12.96 GFLOPS

Board Design

176W

TDP

30W

450 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 8-pin

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

GF119

Navi 23 KXT (215-130000136)

GPU Variant

-

RDNA 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

11.06 billion

Transistors

0.292 billion

237 mm²

Die Size

79 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

6.5

Shader Model

5.1

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