AMD Radeon RX 6600 XT vs NVIDIA RTX 4500 Ada Generation

VS

AMD Radeon RX 6600 XT NVIDIA RTX 4500 Ada Generation

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 24GB VRAM RTX 4500 Ada Generation to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 XT 's Advantages

Boost Clock has increased by 0% (2589MHz vs 2580MHz)

Lower TDP (160W vs 210W)

NVIDIA RTX 4500 Ada Generation 's Advantages

Released 2 years and 1 months late

More VRAM (24GB vs 8GB)

Larger VRAM bandwidth (432.0GB/s vs 256.0GB/s)

5632 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT

10.6 TFLOPS

RTX 4500 Ada Generation +273%

39.63 TFLOPS

Radeon RX 6600 XT

VS

RTX 4500 Ada Generation

Graphics Card

Jul 2021

Release Date

Aug 2023

Navi II

Generation

Quadro Ada

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1968 MHz

Base Clock

2070 MHz

2589 MHz

Boost Clock

2580 MHz

2000 MHz

Memory Clock

2250 MHz

Memory

8GB

Memory Size

24GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

192bit

256.0GB/s

Bandwidth

432.0GB/s

Render Config

-

SM Count

60

32

Compute Units

-

2048

Shading Units

7680

128

TMUs

240

64

ROPs

80

-

Tensor Cores

240

32

RT Cores

60

128 KB per Array

L1 Cache

128 KB (per SM)

2 MB

L2 Cache

48 MB

Theoretical Performance

165.7 GPixel/s

Pixel Rate

206.4 GPixel/s

331.4 GTexel/s

Texture Rate

619.2 GTexel/s

21.21 TFLOPS

FP16 (half)

39.63 TFLOPS

10.60 TFLOPS

FP32 (float)

39.63 TFLOPS

662.8 GFLOPS

FP64 (double)

619.2 GFLOPS

Graphics Processor

Navi 23

GPU Name

AD103

Navi 23 XT (215-130000006)

GPU Variant

-

RDNA 2.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

7 nm

Process Size

5 nm

11.06 billion

Transistors

45.9 billion

237 mm²

Die Size

379 mm²

Board Design

160W

TDP

210W

450 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

4x DisplayPort 1.4a

1x 8-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

8.9

6.7

Shader Model

6.7

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