Intel Arc A580 vs AMD Radeon HD 6450 OEM

VS

Intel Arc A580

AMD Radeon HD 6450 OEM

We compared two Desktop platform GPUs: 8GB VRAM Arc A580 and 512MB VRAM Radeon HD 6450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A580 's Advantages

Released 12 years and 8 months late

Boost Clock2000MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 8.528GB/s)

2912 additional rendering cores

AMD Radeon HD 6450 OEM 's Advantages

Lower TDP (18W vs 175W)

Score

Benchmark

FP32 (float)

Arc A580 +6045%

12.29 TFLOPS

Radeon HD 6450 OEM

0.2 TFLOPS

Arc A580

VS

Radeon HD 6450 OEM

Graphics Card

Oct 2023

Release Date

Feb 2011

Alchemist(Arc 5)

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1700 MHz

Base Clock

-

2000 MHz

Boost Clock

-

2000 MHz

Memory Clock

533 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

64bit

512.0GB/s

Bandwidth

8.528GB/s

Render Config

-

Compute Units

2

-

3072

Shading Units

160

192

TMUs

8

96

ROPs

4

384

Tensor Cores

-

24

RT Cores

-

L1 Cache

8 KB (per CU)

8 MB

L2 Cache

128 KB

-

Theoretical Performance

192.0 GPixel/s

Pixel Rate

2.500 GPixel/s

384.0 GTexel/s

Texture Rate

5.000 GTexel/s

24.58 TFLOPS

FP16 (half)

-

12.29 TFLOPS

FP32 (float)

200.0 GFLOPS

1.536 TFLOPS

FP64 (double)

-

Board Design

175W

TDP

18W

450 W

Suggested PSU

200 W

1x HDMI 2.13x DisplayPort 2.0

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

DG2-512

GPU Name

Caicos

ACM-G10

GPU Variant

Junbonator

Generation 12.7

Architecture

TeraScale 2

TSMC

Foundry

TSMC

6 nm

Process Size

40 nm

21.7 billion

Transistors

0.37 billion

406 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

-

6.6

Shader Model

5.0

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