AMD Radeon RX 6600 vs AMD Radeon HD 7790

VS

AMD Radeon RX 6600

AMD Radeon HD 7790

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 and 1024MB VRAM Radeon HD 7790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 's Advantages

Released 8 years and 7 months late

Boost Clock2491MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (224.0GB/s vs 96.00GB/s)

896 additional rendering cores

AMD Radeon HD 7790 's Advantages

Lower TDP (85W vs 132W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 +398%

8.928 TFLOPS

Radeon HD 7790

1.792 TFLOPS

Radeon RX 6600

VS

Radeon HD 7790

Graphics Card

Oct 2021

Release Date

Mar 2013

Navi II

Generation

Southern 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

1500 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

96.00GB/s

Render Config

28

Compute Units

14

-

1792

Shading Units

896

112

TMUs

56

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

16.00 GPixel/s

279.0 GTexel/s

Texture Rate

56.00 GTexel/s

17.86 TFLOPS

FP16 (half)

-

8.928 TFLOPS

FP32 (float)

1.792 TFLOPS

558.0 GFLOPS

FP64 (double)

112.0 GFLOPS

Board Design

132W

TDP

85W

300 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 23

GPU Name

Bonaire

Navi 23 XL (215-130000016)

GPU Variant

Bonaire XT (215-0839039)

RDNA 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

2.08 billion

237 mm²

Die Size

160 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.3

Vulkan

1.2

-

6.5

Shader Model

6.3

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