NVIDIA GeForce RTX 5080 vs AMD Radeon RX 6600 LE

VS

NVIDIA GeForce RTX 5080

AMD Radeon RX 6600 LE

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 5080 and 8GB VRAM Radeon RX 6600 LE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5080 's Advantages

Released 1 years and 1 months late

Boost Clock has increased by 1% (2520MHz vs 2495MHz)

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (973.8GB/s vs 224.0GB/s)

8960 additional rendering cores

AMD Radeon RX 6600 LE 's Advantages

Lower TDP (132W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 5080 +506%

54.19 TFLOPS

Radeon RX 6600 LE

8.942 TFLOPS

GeForce RTX 5080

VS

Radeon RX 6600 LE

Graphics Card

Jan 2025

Release Date

Dec 2023

GeForce 50

Generation

Navi II

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

2235 MHz

Base Clock

1626 MHz

2520 MHz

Boost Clock

2495 MHz

2400 MHz

Memory Clock

1750 MHz

Memory

16GB

Memory Size

8GB

GDDR7

Memory Type

GDDR6

256bit

Memory Bus

128bit

973.8GB/s

Bandwidth

224.0GB/s

Render Config

-

Compute Units

28

84

SM Count

-

10752

Shading Units

1792

336

TMUs

112

128

ROPs

64

336

Tensor Cores

-

84

RT Cores

28

128 KB (per SM)

L1 Cache

128 KB per Array

64 MB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

322.6 GPixel/s

Pixel Rate

159.7 GPixel/s

846.7 GTexel/s

Texture Rate

279.4 GTexel/s

54.19 TFLOPS

FP16 (half)

17.88 TFLOPS

54.19 TFLOPS

FP32 (float)

8.942 TFLOPS

846.7 GFLOPS

FP64 (double)

558.9 GFLOPS

Board Design

350W

TDP

132W

750 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 2.1a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 16-pin

Power Connectors

1x 8-pin

Graphics Processor

GB203

GPU Name

Navi 23

GB203-400-A1

GPU Variant

Navi 23 XL (215-130000016)

Blackwell 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

0

Process Size

7 nm

Unknown

Transistors

11.06 billion

377 mm²

Die Size

237 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

10.1

CUDA

-

6.8

Shader Model

6.7

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2

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