AMD Radeon RX 6600 LE vs AMD Radeon Sky 900

VS

AMD Radeon RX 6600 LE

AMD Radeon Sky 900

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 LE and 3GB VRAM Radeon Sky 900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 LE 's Advantages

Released 10 years and 9 months late

Boost Clock has increased by 163% (2495MHz vs 950MHz)

More VRAM (8GB vs 3GB)

Lower TDP (132W vs 300W)

AMD Radeon Sky 900 's Advantages

Larger VRAM bandwidth (240.0GB/s vs 224.0GB/s)

Score

Benchmark

FP32 (float)

Radeon RX 6600 LE +162%

8.942 TFLOPS

Radeon Sky 900

3.405 TFLOPS

Radeon RX 6600 LE

VS

Radeon Sky 900

Graphics Card

Dec 2023

Release Date

Mar 2013

Navi II

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1626 MHz

Base Clock

825 MHz

2495 MHz

Boost Clock

950 MHz

1750 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

384bit

224.0GB/s

Bandwidth

240.0GB/s

Render Config

28

Compute Units

28

-

1792

Shading Units

1792

112

TMUs

112

64

ROPs

32

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

32 MB

L3 Cache

-

Theoretical Performance

159.7 GPixel/s

Pixel Rate

30.40 GPixel/s

279.4 GTexel/s

Texture Rate

106.4 GTexel/s

17.88 TFLOPS

FP16 (half)

-

8.942 TFLOPS

FP32 (float)

3.405 TFLOPS

558.9 GFLOPS

FP64 (double)

851.2 GFLOPS

Board Design

132W

TDP

300W

300 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x mini-DisplayPort 1.2

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 23

GPU Name

Tahiti

Navi 23 XL (215-130000016)

GPU Variant

Orthrus

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

4.313 billion

237 mm²

Die Size

352 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

6.7

Shader Model

5.1

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