AMD Radeon RX 6600 LE vs AMD Radeon RX Vega 64 Limited Edition

VS

AMD Radeon RX 6600 LE

AMD Radeon RX Vega 64 Limited Edition

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 LE and 8GB VRAM Radeon RX Vega 64 Limited Edition 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 6 years and 4 months late

Boost Clock has increased by 61% (2495MHz vs 1546MHz)

Lower TDP (132W vs 295W)

AMD Radeon RX Vega 64 Limited Edition 's Advantages

Larger VRAM bandwidth (483.8GB/s vs 224.0GB/s)

2304 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6600 LE

8.942 TFLOPS

Radeon RX Vega 64 Limited Edition +41%

12.66 TFLOPS

Radeon RX 6600 LE

VS

Radeon RX Vega 64 Limited Edition

Graphics Card

Dec 2023

Release Date

Aug 2017

Navi II

Generation

Vega

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1626 MHz

Base Clock

1247 MHz

2495 MHz

Boost Clock

1546 MHz

1750 MHz

Memory Clock

945 MHz

Memory

8GB

Memory Size

8GB

GDDR6

Memory Type

HBM2

128bit

Memory Bus

2048bit

224.0GB/s

Bandwidth

483.8GB/s

Render Config

28

Compute Units

64

-

1792

Shading Units

4096

112

TMUs

256

64

ROPs

64

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

4 MB

32 MB

L3 Cache

-

Theoretical Performance

159.7 GPixel/s

Pixel Rate

98.94 GPixel/s

279.4 GTexel/s

Texture Rate

395.8 GTexel/s

17.88 TFLOPS

FP16 (half)

25.33 TFLOPS

8.942 TFLOPS

FP32 (float)

12.66 TFLOPS

558.9 GFLOPS

FP64 (double)

791.6 GFLOPS

Board Design

132W

TDP

295W

300 W

Suggested PSU

600 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 23

GPU Name

Vega 10

Navi 23 XL (215-130000016)

GPU Variant

Vega 10 XT (215-0894200)

RDNA 2.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

11.06 billion

Transistors

12.5 billion

237 mm²

Die Size

495 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.2

-

6.7

Shader Model

6.4

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