AMD Radeon HD 7950 Mac Edition vs Intel Arc B580

VS

AMD Radeon HD 7950 Mac Edition

Intel Arc B580

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Mac Edition and 12GB VRAM Arc B580 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc B580 's Advantages

Released 11 years and 9 months late

Boost Clock2670MHz

More VRAM (12GB vs 3GB)

Larger VRAM bandwidth (456.0GB/s vs 240.0GB/s)

768 additional rendering cores

Lower TDP (190W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 Mac Edition

2.867 TFLOPS

Arc B580 +376%

13.67 TFLOPS

Radeon HD 7950 Mac Edition

VS

Arc B580

Graphics Card

Mar 2013

Release Date

Dec 2024

Southern Islands

Generation

Battlemage(Arc 5)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

2670 MHz

-

Boost Clock

2670 MHz

1250 MHz

Memory Clock

2375 MHz

Memory

3GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

192bit

240.0GB/s

Bandwidth

456.0GB/s

Render Config

28

Compute Units

-

1792

Shading Units

2560

112

TMUs

160

32

ROPs

80

-

Tensor Cores

160

-

RT Cores

20

16 KB (per CU)

L1 Cache

256 KB (per EU)

768 KB

L2 Cache

18 MB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

213.6 GPixel/s

89.60 GTexel/s

Texture Rate

427.2 GTexel/s

-

FP16 (half)

27.34 TFLOPS

2.867 TFLOPS

FP32 (float)

13.67 TFLOPS

716.8 GFLOPS

FP64 (double)

1.709 TFLOPS

Board Design

200W

TDP

190W

550 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1a3x DisplayPort 2.1

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Tahiti

GPU Name

BMG-G21

Tahiti PRO (215-0821056)

GPU Variant

SRPMF

GCN 1.0

Architecture

Xe2

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

4.313 billion

Transistors

19.6 billion

352 mm²

Die Size

272 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.4

-

5.1

Shader Model

6.6

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