AMD Radeon RX 7800 vs Intel Arc A780

VS

AMD Radeon RX 7800

Intel Arc A780

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 and 16GB VRAM Arc A780 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800 's Advantages

Boost Clock has increased by 27% (2800MHz vs 2200MHz)

Larger VRAM bandwidth (576.0GB/s vs 559.6GB/s)

Intel Arc A780 's Advantages

256 additional rendering cores

Lower TDP (200W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7800 +107%

37.32 TFLOPS

Arc A780

18.02 TFLOPS

Radeon RX 7800

VS

Arc A780

Graphics Card

Jan 2023

Release Date

Unknown

Navi III

Generation

Alchemist(Arc 7)

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1800 MHz

Base Clock

2200 MHz

2800 MHz

Boost Clock

2200 MHz

2250 MHz

Memory Clock

1093 MHz

Memory

16GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6X

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

559.6GB/s

Render Config

60

Compute Units

-

3840

Shading Units

4096

240

TMUs

256

128

ROPs

128

-

Tensor Cores

512

60

RT Cores

32

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

16 MB

64 MB

L3 Cache

-

Theoretical Performance

358.4 GPixel/s

Pixel Rate

281.6 GPixel/s

672.0 GTexel/s

Texture Rate

563.2 GTexel/s

86.02 TFLOPS

FP16 (half)

36.04 TFLOPS

43.01 TFLOPS

FP32 (float)

18.02 TFLOPS

1344 GFLOPS

FP64 (double)

2.253 TFLOPS

Board Design

300W

TDP

200W

700 W

Suggested PSU

550 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

1x HDMI 2.13x DisplayPort 2.0

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 32

GPU Name

DG2-512

Navi 32 XT

GPU Variant

ACM-G10

RDNA 3.0

Architecture

Generation 12.7

TSMC

Foundry

TSMC

5 nm

Process Size

6 nm

Unknown

Transistors

21.7 billion

346 mm²

Die Size

406 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.3

-

6.7

Shader Model

6.6

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