AMD Radeon RX 7800 vs Intel Arc A770

VS

AMD Radeon RX 7800

Intel Arc A770

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 and 16GB VRAM Arc A770 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 17% (2800MHz vs 2400MHz)

Larger VRAM bandwidth (576.0GB/s vs 512.0GB/s)

Intel Arc A770 's Advantages

256 additional rendering cores

Lower TDP (225W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7800 +89%

37.32 TFLOPS

Arc A770

19.66 TFLOPS

Radeon RX 7800

VS

Arc A770

Graphics Card

Jan 2023

Release Date

Oct 2022

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

2100 MHz

2800 MHz

Boost Clock

2400 MHz

2250 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

512.0GB/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

307.2 GPixel/s

672.0 GTexel/s

Texture Rate

614.4 GTexel/s

86.02 TFLOPS

FP16 (half)

39.32 TFLOPS

43.01 TFLOPS

FP32 (float)

19.66 TFLOPS

1344 GFLOPS

FP64 (double)

2.458 TFLOPS

Board Design

300W

TDP

225W

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

1x 6-pin + 1x 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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