AMD Radeon RX 6600 XT vs NVIDIA GeForce GTX 260

VS

AMD Radeon RX 6600 XT

NVIDIA GeForce GTX 260

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 896MB VRAM GeForce GTX 260 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 XT 's Advantages

Released 13 years and 1 months late

Boost Clock2589MHz

More VRAM (8GB vs 896GB)

Larger VRAM bandwidth (256.0GB/s vs 111.9GB/s)

1856 additional rendering cores

Lower TDP (160W vs 182W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT +2122%

10.6 TFLOPS

GeForce GTX 260

0.477 TFLOPS

Radeon RX 6600 XT

VS

GeForce GTX 260

Graphics Card

Jul 2021

Release Date

Jun 2008

Navi II

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1968 MHz

Base Clock

-

2589 MHz

Boost Clock

-

2000 MHz

Memory Clock

999 MHz

Memory

8GB

Memory Size

896MB

GDDR6

Memory Type

GDDR3

128bit

Memory Bus

448bit

256.0GB/s

Bandwidth

111.9GB/s

Render Config

32

Compute Units

-

SM Count

24

2048

Shading Units

192

128

TMUs

64

ROPs

28

-

32

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

224 KB

32 MB

L3 Cache

-

Theoretical Performance

165.7 GPixel/s

Pixel Rate

16.13 GPixel/s

331.4 GTexel/s

Texture Rate

36.86 GTexel/s

21.21 TFLOPS

FP16 (half)

-

10.60 TFLOPS

FP32 (float)

476.9 GFLOPS

662.8 GFLOPS

FP64 (double)

59.62 GFLOPS

Board Design

160W

TDP

182W

450 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Navi 23

GPU Name

GT200

Navi 23 XT (215-130000006)

GPU Variant

G200-100-A2

RDNA 2.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

65 nm

11.06 billion

Transistors

1.4 billion

237 mm²

Die Size

576 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

1.3

6.7

Shader Model

4.0

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