AMD Radeon RX 6600 LE vs NVIDIA GeForce GTX 490

VS

AMD Radeon RX 6600 LE

NVIDIA GeForce GTX 490

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 LE and 1536MB VRAM GeForce GTX 490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 LE 's Advantages

Boost Clock2495MHz

More VRAM (8GB vs 1536GB)

Larger VRAM bandwidth (224.0GB/s vs 164.0GB/s)

1312 additional rendering cores

Lower TDP (132W vs 365W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 LE +666%

8.942 TFLOPS

GeForce GTX 490

1.166 TFLOPS

Radeon RX 6600 LE

VS

GeForce GTX 490

Graphics Card

Dec 2023

Release Date

Unknown

Navi II

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1626 MHz

Base Clock

-

2495 MHz

Boost Clock

-

1750 MHz

Memory Clock

854 MHz

Memory

8GB

Memory Size

1536MB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

384bit

224.0GB/s

Bandwidth

164.0GB/s

Render Config

28

Compute Units

-

SM Count

15

1792

Shading Units

480

112

TMUs

60

64

ROPs

48

-

28

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

768 KB

32 MB

L3 Cache

-

Theoretical Performance

159.7 GPixel/s

Pixel Rate

18.24 GPixel/s

279.4 GTexel/s

Texture Rate

36.48 GTexel/s

17.88 TFLOPS

FP16 (half)

-

8.942 TFLOPS

FP32 (float)

1166 GFLOPS

558.9 GFLOPS

FP64 (double)

145.8 GFLOPS

Board Design

132W

TDP

365W

300 W

Suggested PSU

750 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

3x DVI 1x mini-DisplayPort

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 23

GPU Name

GF100

Navi 23 XL (215-130000016)

GPU Variant

GF100-375-A3

RDNA 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

11.06 billion

Transistors

3.1 billion

237 mm²

Die Size

529 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

2.0

6.7

Shader Model

5.1

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