AMD Radeon RX 6600 XT vs AMD Radeon R7 260X

VS

AMD Radeon RX 6600 XT

AMD Radeon R7 260X

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 2GB VRAM Radeon R7 260X 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 7 years and 9 months late

Boost Clock2589MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 104.0GB/s)

1152 additional rendering cores

AMD Radeon R7 260X 's Advantages

Lower TDP (115W vs 160W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT +437%

10.6 TFLOPS

Radeon R7 260X

1.971 TFLOPS

3DMark Time Spy

Radeon RX 6600 XT +548%

9579

Radeon R7 260X

1476

Radeon RX 6600 XT

VS

Radeon R7 260X

Graphics Card

Jul 2021

Release Date

Oct 2013

Navi II

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1968 MHz

Base Clock

-

2589 MHz

Boost Clock

-

2000 MHz

Memory Clock

1625 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

256.0GB/s

Bandwidth

104.0GB/s

Render Config

32

Compute Units

14

-

2048

Shading Units

896

128

TMUs

56

64

ROPs

16

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

32 MB

L3 Cache

-

Theoretical Performance

165.7 GPixel/s

Pixel Rate

17.60 GPixel/s

331.4 GTexel/s

Texture Rate

61.60 GTexel/s

21.21 TFLOPS

FP16 (half)

-

10.60 TFLOPS

FP32 (float)

1.971 TFLOPS

662.8 GFLOPS

FP64 (double)

123.2 GFLOPS

Board Design

160W

TDP

115W

450 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 23

GPU Name

Bonaire

Navi 23 XT (215-130000006)

GPU Variant

Bonaire XTX (215-0839097)

RDNA 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

2.08 billion

237 mm²

Die Size

160 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.3

Vulkan

1.2

-

6.7

Shader Model

6.3

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