AMD Radeon HD 7950 Mac Edition vs Intel Arc A770

VS

AMD Radeon HD 7950 Mac Edition

Intel Arc A770

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Mac Edition and 16GB VRAM Arc A770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 Mac Edition 's Advantages

Lower TDP (200W vs 225W)

Intel Arc A770 's Advantages

Released 9 years and 7 months late

Boost Clock2400MHz

More VRAM (16GB vs 3GB)

Larger VRAM bandwidth (512.0GB/s vs 240.0GB/s)

2304 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7950 Mac Edition

2.867 TFLOPS

Arc A770 +585%

19.66 TFLOPS

Radeon HD 7950 Mac Edition

VS

Arc A770

Graphics Card

Mar 2013

Release Date

Oct 2022

Southern Islands

Generation

Alchemist(Arc 7)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2100 MHz

-

Boost Clock

2400 MHz

1250 MHz

Memory Clock

2000 MHz

Memory

3GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

512.0GB/s

Render Config

28

Compute Units

-

1792

Shading Units

4096

112

TMUs

256

32

ROPs

128

-

Tensor Cores

512

-

RT Cores

32

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

16 MB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

307.2 GPixel/s

89.60 GTexel/s

Texture Rate

614.4 GTexel/s

-

FP16 (half)

39.32 TFLOPS

2.867 TFLOPS

FP32 (float)

19.66 TFLOPS

716.8 GFLOPS

FP64 (double)

2.458 TFLOPS

Board Design

200W

TDP

225W

550 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.13x DisplayPort 2.0

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Tahiti

GPU Name

DG2-512

Tahiti PRO (215-0821056)

GPU Variant

ACM-G10

GCN 1.0

Architecture

Generation 12.7

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

4.313 billion

Transistors

21.7 billion

352 mm²

Die Size

406 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

5.1

Shader Model

6.6

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