AMD Radeon RX 6500 XT vs AMD Radeon HD 8490 OEM

VS

AMD Radeon RX 6500 XT AMD Radeon HD 8490 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6500 XT and 1024MB VRAM Radeon HD 8490 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6500 XT 's Advantages

Released 8 years and 6 months late

Boost Clock2815MHz

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (143.9GB/s vs 14.40GB/s)

864 additional rendering cores

AMD Radeon HD 8490 OEM 's Advantages

Lower TDP (35W vs 107W)

Score

Benchmark

FP32 (float)

Radeon RX 6500 XT +1958%

5.765 TFLOPS

Radeon HD 8490 OEM

0.28 TFLOPS

Radeon RX 6500 XT

VS

Radeon HD 8490 OEM

Graphics Card

Jan 2022

Release Date

Jul 2013

Navi II

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 2.0 x16

Clock Speeds

2310 MHz

Base Clock

-

2815 MHz

Boost Clock

-

2248 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

64bit

Memory Bus

64bit

143.9GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

16

Compute Units

2

1024

Shading Units

160

64

TMUs

8

32

ROPs

4

-

Tensor Cores

-

16

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

128 KB

Theoretical Performance

90.08 GPixel/s

Pixel Rate

3.500 GPixel/s

180.2 GTexel/s

Texture Rate

7.000 GTexel/s

11.53 TFLOPS

FP16 (half)

-

5.765 TFLOPS

FP32 (float)

280.0 GFLOPS

360.3 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 24

GPU Name

Caicos

Navi 24 XT (215-135000006)

GPU Variant

Caicos XTX

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

6 nm

Process Size

40 nm

5.4 billion

Transistors

0.37 billion

107 mm²

Die Size

67 mm²

Board Design

107W

TDP

35W

300 W

Suggested PSU

200 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

1x DVI 1x DisplayPort 1.1

1x 6-pin

Power Connectors

None

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

-

CUDA

-

6.6

Shader Model

5.0

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