NVIDIA GeForce GTS 450 vs AMD Radeon RX 6600 XT

VS

NVIDIA GeForce GTS 450

AMD Radeon RX 6600 XT

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTS 450 and 8GB VRAM Radeon RX 6600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTS 450 's Advantages

Lower TDP (106W vs 160W)

AMD Radeon RX 6600 XT 's Advantages

Released 10 years and 10 months late

Boost Clock2589MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 57.73GB/s)

1856 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTS 450

0.601 TFLOPS

Radeon RX 6600 XT +1663%

10.6 TFLOPS

GeForce GTS 450

VS

Radeon RX 6600 XT

Graphics Card

Sep 2010

Release Date

Jul 2021

GeForce 400

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1968 MHz

-

Boost Clock

2589 MHz

902 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

57.73GB/s

Bandwidth

256.0GB/s

Render Config

-

Compute Units

32

4

SM Count

-

192

Shading Units

2048

32

TMUs

128

16

ROPs

64

-

RT Cores

32

64 KB (per SM)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

6.264 GPixel/s

Pixel Rate

165.7 GPixel/s

25.06 GTexel/s

Texture Rate

331.4 GTexel/s

-

FP16 (half)

21.21 TFLOPS

601.3 GFLOPS

FP32 (float)

10.60 TFLOPS

50.11 GFLOPS

FP64 (double)

662.8 GFLOPS

Board Design

106W

TDP

160W

300 W

Suggested PSU

450 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

GF106

GPU Name

Navi 23

GF106-250-KA-A1

GPU Variant

Navi 23 XT (215-130000006)

Fermi

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.17 billion

Transistors

11.06 billion

238 mm²

Die Size

237 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.3

2.1

CUDA

-

5.1

Shader Model

6.7

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