AMD Radeon Sky 900 vs AMD Radeon RX 6600 LE

VS

AMD Radeon Sky 900 AMD Radeon RX 6600 LE

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

Main Differences

AMD Radeon Sky 900 's Advantages

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

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)

Score

Benchmark

FP32 (float)

Radeon Sky 900

3.405 TFLOPS

Radeon RX 6600 LE +162%

8.942 TFLOPS

Radeon Sky 900

VS

Radeon RX 6600 LE

Graphics Card

Mar 2013

Release Date

Dec 2023

Radeon Sky

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

825 MHz

Base Clock

1626 MHz

950 MHz

Boost Clock

2495 MHz

1250 MHz

Memory Clock

1750 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

224.0GB/s

Render Config

-

SM Count

-

28

Compute Units

28

1792

Shading Units

1792

112

TMUs

112

32

ROPs

64

-

Tensor Cores

-

RT Cores

28

16 KB (per CU)

L1 Cache

128 KB per Array

768 KB

L2 Cache

2 MB

Theoretical Performance

30.40 GPixel/s

Pixel Rate

159.7 GPixel/s

106.4 GTexel/s

Texture Rate

279.4 GTexel/s

-

FP16 (half)

17.88 TFLOPS

3.405 TFLOPS

FP32 (float)

8.942 TFLOPS

851.2 GFLOPS

FP64 (double)

558.9 GFLOPS

Graphics Processor

Tahiti

GPU Name

Navi 23

Orthrus

GPU Variant

Navi 23 XL (215-130000016)

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

4.313 billion

Transistors

11.06 billion

352 mm²

Die Size

237 mm²

Board Design

300W

TDP

132W

700 W

Suggested PSU

300 W

1x DVI 1x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 8-pin

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

CUDA

-

5.1

Shader Model

6.7

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