AMD Radeon RX 6600 vs AMD Radeon R7 450 OEM

VS

AMD Radeon RX 6600

AMD Radeon R7 450 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 and 2GB VRAM Radeon R7 450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 's Advantages

Released 5 years and 4 months late

Boost Clock2491MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 72.00GB/s)

1280 additional rendering cores

AMD Radeon R7 450 OEM 's Advantages

Lower TDP (65W vs 132W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 +842%

8.928 TFLOPS

Radeon R7 450 OEM

0.947 TFLOPS

Radeon RX 6600

VS

Radeon R7 450 OEM

Graphics Card

Oct 2021

Release Date

Jun 2016

Navi II

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1626 MHz

Base Clock

-

2491 MHz

Boost Clock

-

1750 MHz

Memory Clock

1125 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

72.00GB/s

Render Config

28

Compute Units

8

-

1792

Shading Units

512

112

TMUs

32

64

ROPs

16

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

32 MB

L3 Cache

-

Theoretical Performance

159.4 GPixel/s

Pixel Rate

14.80 GPixel/s

279.0 GTexel/s

Texture Rate

29.60 GTexel/s

17.86 TFLOPS

FP16 (half)

-

8.928 TFLOPS

FP32 (float)

947.2 GFLOPS

558.0 GFLOPS

FP64 (double)

59.20 GFLOPS

Board Design

132W

TDP

65W

300 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 8-pin

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

Cape Verde

Navi 23 XL (215-130000016)

GPU Variant

Cape Verde PRO2

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

1.5 billion

237 mm²

Die Size

123 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

-

6.5

Shader Model

6.5 (5.1)

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