AMD Radeon HD 7990 vs Intel Arc A750

VS

AMD Radeon HD 7990

Intel Arc A750

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 8GB VRAM Arc A750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A750 's Advantages

Released 9 years and 6 months late

Boost Clock has increased by 140% (2400MHz vs 1000MHz)

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (512.0GB/s vs 288.0GB/s)

1536 additional rendering cores

Lower TDP (225W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990

4.096 TFLOPS

Arc A750 +319%

17.2 TFLOPS

Radeon HD 7990

VS

Arc A750

Graphics Card

Apr 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

950 MHz

Base Clock

2050 MHz

1000 MHz

Boost Clock

2400 MHz

1500 MHz

Memory Clock

2000 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

256bit

288.0GB/s

Bandwidth

512.0GB/s

Render Config

32

Compute Units

-

2048

Shading Units

3584

128

TMUs

224

32

ROPs

112

-

Tensor Cores

448

-

RT Cores

28

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

16 MB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

268.8 GPixel/s

128.0 GTexel/s

Texture Rate

537.6 GTexel/s

-

FP16 (half)

34.41 TFLOPS

4.096 TFLOPS

FP32 (float)

17.20 TFLOPS

1024 GFLOPS

FP64 (double)

2.150 TFLOPS

Board Design

375W

TDP

225W

750 W

Suggested PSU

550 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x HDMI 2.13x DisplayPort 2.0

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Malta

GPU Name

DG2-512

Malta XT (215-0849026)

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

365 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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