AMD Radeon HD 6490 vs AMD Radeon RX 6650 XT

VS

AMD Radeon HD 6490

AMD Radeon RX 6650 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6490 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 HD 6490 's Advantages

Lower TDP (39W vs 176W)

AMD Radeon RX 6650 XT 's Advantages

Released 10 years and 10 months late

Boost Clock2635MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (280.3GB/s vs 16.00GB/s)

1728 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490

0.352 TFLOPS

Radeon RX 6650 XT +2965%

10.79 TFLOPS

Radeon HD 6490

VS

Radeon RX 6650 XT

Graphics Card

Jul 2011

Release Date

May 2022

Northern Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

2055 MHz

-

Boost Clock

2635 MHz

500 MHz

Memory Clock

2190 MHz

Memory

1024MB

Memory Size

8GB

DDR2

Memory Type

GDDR6

128bit

Memory Bus

128bit

16.00GB/s

Bandwidth

280.3GB/s

Render Config

4

Compute Units

32

-

320

Shading Units

2048

16

TMUs

128

8

ROPs

64

-

RT Cores

32

8 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

4.400 GPixel/s

Pixel Rate

168.6 GPixel/s

8.800 GTexel/s

Texture Rate

337.3 GTexel/s

-

FP16 (half)

21.59 TFLOPS

352.0 GFLOPS

FP32 (float)

10.79 TFLOPS

-

FP64 (double)

674.6 GFLOPS

Board Design

39W

TDP

176W

200 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 8-pin

Graphics Processor

Redwood

GPU Name

Navi 23

Redwood LE

GPU Variant

Navi 23 KXT (215-130000136)

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

0.627 billion

Transistors

11.06 billion

104 mm²

Die Size

237 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.5

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