AMD Radeon RX 6600 LE vs AMD Radeon RX 6800

VS

AMD Radeon RX 6600 LE

AMD Radeon RX 6800

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 LE and 16GB VRAM Radeon RX 6800 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 3 years and 2 months late

Boost Clock has increased by 19% (2495MHz vs 2105MHz)

Lower TDP (132W vs 250W)

AMD Radeon RX 6800 's Advantages

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (512.0GB/s vs 224.0GB/s)

2048 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6600 LE

8.942 TFLOPS

Radeon RX 6800 +80%

16.17 TFLOPS

Radeon RX 6600 LE

VS

Radeon RX 6800

Graphics Card

Dec 2023

Release Date

Oct 2020

Navi II

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1626 MHz

Base Clock

1700 MHz

2495 MHz

Boost Clock

2105 MHz

1750 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

512.0GB/s

Render Config

28

Compute Units

60

-

1792

Shading Units

3840

112

TMUs

240

64

ROPs

96

-

28

RT Cores

60

128 KB per Array

L1 Cache

128 KB per Array

2 MB

L2 Cache

4 MB

32 MB

L3 Cache

128 MB

Theoretical Performance

159.7 GPixel/s

Pixel Rate

202.1 GPixel/s

279.4 GTexel/s

Texture Rate

505.2 GTexel/s

17.88 TFLOPS

FP16 (half)

32.33 TFLOPS

8.942 TFLOPS

FP32 (float)

16.17 TFLOPS

558.9 GFLOPS

FP64 (double)

1010 GFLOPS

Board Design

132W

TDP

250W

300 W

Suggested PSU

600 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 23

GPU Name

Navi 21

Navi 23 XL (215-130000016)

GPU Variant

Navi 21 XL (215-121000187)

RDNA 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

7 nm

11.06 billion

Transistors

26.8 billion

237 mm²

Die Size

520 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.3

-

6.7

Shader Model

6.5

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