AMD Radeon R9 270 vs AMD Radeon RX 6600 LE

VS

AMD Radeon R9 270

AMD Radeon RX 6600 LE

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 and 8GB VRAM Radeon RX 6600 LE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 LE 's Advantages

Released 10 years and 1 months late

Boost Clock has increased by 170% (2495MHz vs 925MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 179.2GB/s)

512 additional rendering cores

Lower TDP (132W vs 150W)

Score

Benchmark

FP32 (float)

Radeon R9 270

2.368 TFLOPS

Radeon RX 6600 LE +277%

8.942 TFLOPS

Radeon R9 270

VS

Radeon RX 6600 LE

Graphics Card

Nov 2013

Release Date

Dec 2023

Volcanic Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

900 MHz

Base Clock

1626 MHz

925 MHz

Boost Clock

2495 MHz

1400 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

179.2GB/s

Bandwidth

224.0GB/s

Render Config

20

Compute Units

28

-

1280

Shading Units

1792

80

TMUs

112

32

ROPs

64

-

RT Cores

28

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

159.7 GPixel/s

74.00 GTexel/s

Texture Rate

279.4 GTexel/s

-

FP16 (half)

17.88 TFLOPS

2.368 TFLOPS

FP32 (float)

8.942 TFLOPS

148.0 GFLOPS

FP64 (double)

558.9 GFLOPS

Board Design

150W

TDP

132W

450 W

Suggested PSU

300 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Curacao

GPU Name

Navi 23

Curacao PRO (215-0848000)

GPU Variant

Navi 23 XL (215-130000016)

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.8 billion

Transistors

11.06 billion

212 mm²

Die Size

237 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.7

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