AMD Radeon RX 6650 XT vs NVIDIA GeForce GT 620

VS

AMD Radeon RX 6650 XT

NVIDIA GeForce GT 620

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT 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 RX 6650 XT 's Advantages

Released 10 years late

Boost Clock2635MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (280.3GB/s vs 14.40GB/s)

1952 additional rendering cores

NVIDIA GeForce GT 620 's Advantages

Lower TDP (49W vs 176W)

Score

Benchmark

FP32 (float)

Radeon RX 6650 XT +3911%

10.79 TFLOPS

GeForce GT 620

0.269 TFLOPS

Radeon RX 6650 XT

VS

GeForce GT 620

Graphics Card

May 2022

Release Date

May 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

900 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

128bit

Memory Bus

64bit

280.3GB/s

Bandwidth

14.40GB/s

Render Config

32

Compute Units

-

SM Count

2

2048

Shading Units

96

128

TMUs

16

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

2.800 GPixel/s

337.3 GTexel/s

Texture Rate

11.20 GTexel/s

21.59 TFLOPS

FP16 (half)

-

10.79 TFLOPS

FP32 (float)

268.8 GFLOPS

674.6 GFLOPS

FP64 (double)

22.40 GFLOPS

Board Design

176W

TDP

49W

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

GF108

Navi 23 KXT (215-130000136)

GPU Variant

GF108-100-KB-A1

RDNA 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

11.06 billion

Transistors

0.585 billion

237 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

6.5

Shader Model

5.1

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