AMD Radeon RX 7600 XT vs AMD Radeon HD 6490

VS

AMD Radeon RX 7600 XT

AMD Radeon HD 6490

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7600 XT and 1024MB VRAM Radeon HD 6490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7600 XT 's Advantages

Released 12 years and 6 months late

Boost Clock2755MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (288.0GB/s vs 16.00GB/s)

1728 additional rendering cores

AMD Radeon HD 6490 's Advantages

Lower TDP (39W vs 190W)

Score

Benchmark

FP32 (float)

Radeon RX 7600 XT +6311%

22.57 TFLOPS

Radeon HD 6490

0.352 TFLOPS

Radeon RX 7600 XT

VS

Radeon HD 6490

Graphics Card

Jan 2024

Release Date

Jul 2011

Navi III

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1980 MHz

Base Clock

-

2755 MHz

Boost Clock

-

2250 MHz

Memory Clock

500 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

DDR2

128bit

Memory Bus

128bit

288.0GB/s

Bandwidth

16.00GB/s

Render Config

32

Compute Units

4

-

2048

Shading Units

320

128

TMUs

16

64

ROPs

8

-

32

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

256 KB

32 MB

L3 Cache

-

Theoretical Performance

176.3 GPixel/s

Pixel Rate

4.400 GPixel/s

352.6 GTexel/s

Texture Rate

8.800 GTexel/s

45.14 TFLOPS

FP16 (half)

-

22.57 TFLOPS

FP32 (float)

352.0 GFLOPS

705.3 GFLOPS

FP64 (double)

-

Board Design

190W

TDP

39W

450 W

Suggested PSU

200 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 8-pin

Power Connectors

None

Graphics Processor

Navi 33

GPU Name

Redwood

Navi 33 XT (215-163000047)

GPU Variant

Redwood LE

RDNA 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

6 nm

Process Size

40 nm

13.3 billion

Transistors

0.627 billion

204 mm²

Die Size

104 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

6.7

Shader Model

5.0

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