AMD Radeon RX 6600 XT vs ATI FireMV 2260 PCIe x1

VS

AMD Radeon RX 6600 XT

ATI FireMV 2260 PCIe x1

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 256MB VRAM FireMV 2260 PCIe x1 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 6 months late

Boost Clock2589MHz

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (256.0GB/s vs 8.000GB/s)

2008 additional rendering cores

ATI FireMV 2260 PCIe x1 's Advantages

Lower TDP (15W vs 160W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT +26400%

10.6 TFLOPS

FireMV 2260 PCIe x1

0.04 TFLOPS

Radeon RX 6600 XT

VS

FireMV 2260 PCIe x1

Graphics Card

Jul 2021

Release Date

Jan 2008

Navi II

Generation

FireMV Multi-View

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x1

Clock Speeds

1968 MHz

Base Clock

-

2589 MHz

Boost Clock

-

2000 MHz

Memory Clock

500 MHz

Memory

8GB

Memory Size

256MB

GDDR6

Memory Type

DDR2

128bit

Memory Bus

64bit

256.0GB/s

Bandwidth

8.000GB/s

Render Config

32

Compute Units

2

-

2048

Shading Units

40

128

TMUs

4

64

ROPs

4

-

32

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

-

32 MB

L3 Cache

-

Theoretical Performance

165.7 GPixel/s

Pixel Rate

2.000 GPixel/s

331.4 GTexel/s

Texture Rate

2.000 GTexel/s

21.21 TFLOPS

FP16 (half)

-

10.60 TFLOPS

FP32 (float)

40.00 GFLOPS

662.8 GFLOPS

FP64 (double)

-

Board Design

160W

TDP

15W

450 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DisplayPort

1x 8-pin

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

RV620

Navi 23 XT (215-130000006)

GPU Variant

-

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

11.06 billion

Transistors

0.181 billion

237 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

6.7

Shader Model

4.1

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