AMD Radeon RX 6600 XT vs NVIDIA GeForce 505 OEM

VS

AMD Radeon RX 6600 XT

NVIDIA GeForce 505 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 512MB VRAM GeForce 505 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 XT 's Advantages

Released 8 years and 6 months late

Boost Clock2589MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (256.0GB/s vs 9.600GB/s)

2032 additional rendering cores

NVIDIA GeForce 505 OEM 's Advantages

Lower TDP (25W vs 160W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT +23455%

10.6 TFLOPS

GeForce 505 OEM

0.045 TFLOPS

Radeon RX 6600 XT

VS

GeForce 505 OEM

Graphics Card

Jul 2021

Release Date

Jan 2013

Navi II

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 1.0 x16

Clock Speeds

1968 MHz

Base Clock

-

2589 MHz

Boost Clock

-

2000 MHz

Memory Clock

600 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

DDR3

128bit

Memory Bus

64bit

256.0GB/s

Bandwidth

9.600GB/s

Render Config

32

Compute Units

-

SM Count

2

2048

Shading Units

16

128

TMUs

8

64

ROPs

4

-

32

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

32 KB

32 MB

L3 Cache

-

Theoretical Performance

165.7 GPixel/s

Pixel Rate

2.356 GPixel/s

331.4 GTexel/s

Texture Rate

4.712 GTexel/s

21.21 TFLOPS

FP16 (half)

-

10.60 TFLOPS

FP32 (float)

44.86 GFLOPS

662.8 GFLOPS

FP64 (double)

-

Board Design

160W

TDP

25W

450 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1x VGA

1x 8-pin

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

GT218

Navi 23 XT (215-130000006)

GPU Variant

GT218-300-B1

RDNA 2.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

11.06 billion

Transistors

0.26 billion

237 mm²

Die Size

57 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

1.2

6.7

Shader Model

4.1

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