AMD Radeon R9 270X vs AMD Radeon RX 6650 XT

VS

AMD Radeon R9 270X

AMD Radeon RX 6650 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270X and 8GB VRAM Radeon RX 6650 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6650 XT 's Advantages

Released 8 years and 7 months late

Boost Clock has increased by 151% (2635MHz vs 1050MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (280.3GB/s vs 179.2GB/s)

768 additional rendering cores

Lower TDP (176W vs 180W)

Score

Benchmark

FP32 (float)

Radeon R9 270X

2.688 TFLOPS

Radeon RX 6650 XT +301%

10.79 TFLOPS

3DMark Time Spy

Radeon R9 270X

1769

Radeon RX 6650 XT +459%

9891

Radeon R9 270X

VS

Radeon RX 6650 XT

Graphics Card

Oct 2013

Release Date

May 2022

Volcanic Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1000 MHz

Base Clock

2055 MHz

1050 MHz

Boost Clock

2635 MHz

1400 MHz

Memory Clock

2190 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

179.2GB/s

Bandwidth

280.3GB/s

Render Config

20

Compute Units

32

-

1280

Shading Units

2048

80

TMUs

128

32

ROPs

64

-

RT Cores

32

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

33.60 GPixel/s

Pixel Rate

168.6 GPixel/s

84.00 GTexel/s

Texture Rate

337.3 GTexel/s

-

FP16 (half)

21.59 TFLOPS

2.688 TFLOPS

FP32 (float)

10.79 TFLOPS

168.0 GFLOPS

FP64 (double)

674.6 GFLOPS

Board Design

180W

TDP

176W

450 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Curacao

GPU Name

Navi 23

Curacao XT (215-0848004)

GPU Variant

Navi 23 KXT (215-130000136)

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

6.5

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