Intel Arc B580 vs AMD Radeon HD 6450 OEM

VS

Intel Arc B580

AMD Radeon HD 6450 OEM

We compared two Desktop platform GPUs: 12GB VRAM Arc B580 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 B580 's Advantages

Released 13 years and 10 months late

Boost Clock2670MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (456.0GB/s vs 8.528GB/s)

2400 additional rendering cores

AMD Radeon HD 6450 OEM 's Advantages

Lower TDP (18W vs 190W)

Score

Benchmark

FP32 (float)

Arc B580 +6735%

13.67 TFLOPS

Radeon HD 6450 OEM

0.2 TFLOPS

Arc B580

VS

Radeon HD 6450 OEM

Graphics Card

Dec 2024

Release Date

Feb 2011

Battlemage(Arc 5)

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

2670 MHz

Base Clock

-

2670 MHz

Boost Clock

-

2375 MHz

Memory Clock

533 MHz

Memory

12GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

192bit

Memory Bus

64bit

456.0GB/s

Bandwidth

8.528GB/s

Render Config

-

Compute Units

2

-

2560

Shading Units

160

TMUs

8

80

ROPs

4

160

Tensor Cores

-

20

RT Cores

-

256 KB (per EU)

L1 Cache

8 KB (per CU)

18 MB

L2 Cache

128 KB

-

Theoretical Performance

213.6 GPixel/s

Pixel Rate

2.500 GPixel/s

427.2 GTexel/s

Texture Rate

5.000 GTexel/s

27.34 TFLOPS

FP16 (half)

-

13.67 TFLOPS

FP32 (float)

200.0 GFLOPS

1.709 TFLOPS

FP64 (double)

-

Board Design

190W

TDP

18W

450 W

Suggested PSU

200 W

1x HDMI 2.1a3x DisplayPort 2.1

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 8-pin

Power Connectors

None

Graphics Processor

BMG-G21

GPU Name

Caicos

SRPMF

GPU Variant

Junbonator

Xe2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

19.6 billion

Transistors

0.37 billion

272 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

1.4

Vulkan

N/A

-

6.6

Shader Model

5.0

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