NVIDIA GeForce RTX 3080 Ti 20 GB vs Intel Arc A770

VS

NVIDIA GeForce RTX 3080 Ti 20 GB

Intel Arc A770

We compared two Desktop platform GPUs: 20GB VRAM GeForce RTX 3080 Ti 20 GB and 16GB VRAM Arc A770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages

More VRAM (20GB vs 16GB)

Larger VRAM bandwidth (760.3GB/s vs 512.0GB/s)

6144 additional rendering cores

Intel Arc A770 's Advantages

Released 9 months late

Boost Clock has increased by 44% (2400MHz vs 1665MHz)

Lower TDP (225W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti 20 GB +73%

34.1 TFLOPS

Arc A770

19.66 TFLOPS

Blender

GeForce RTX 3080 Ti 20 GB +159%

5956

Arc A770

2292

GeForce RTX 3080 Ti 20 GB

VS

Arc A770

Graphics Card

Jan 2022

Release Date

Oct 2022

GeForce 30

Generation

Alchemist(Arc 7)

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1335 MHz

Base Clock

2100 MHz

1665 MHz

Boost Clock

2400 MHz

1188 MHz

Memory Clock

2000 MHz

Memory

20GB

Memory Size

16GB

GDDR6X

Memory Type

GDDR6

320bit

Memory Bus

256bit

760.3GB/s

Bandwidth

512.0GB/s

Render Config

-

80

SM Count

-

10240

Shading Units

4096

320

TMUs

256

112

ROPs

128

320

Tensor Cores

512

80

RT Cores

32

128 KB (per SM)

L1 Cache

-

6 MB

L2 Cache

16 MB

-

Theoretical Performance

186.5 GPixel/s

Pixel Rate

307.2 GPixel/s

532.8 GTexel/s

Texture Rate

614.4 GTexel/s

34.10 TFLOPS

FP16 (half)

39.32 TFLOPS

34.10 TFLOPS

FP32 (float)

19.66 TFLOPS

532.8 GFLOPS

FP64 (double)

2.458 TFLOPS

Board Design

350W

TDP

225W

750 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.13x DisplayPort 2.0

1x 12-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GA102

GPU Name

DG2-512

GA102-225-A1

GPU Variant

ACM-G10

Ampere

Architecture

Generation 12.7

Samsung

Foundry

TSMC

8 nm

Process Size

6 nm

28.3 billion

Transistors

21.7 billion

628 mm²

Die Size

406 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.6

CUDA

-

6.6

Shader Model

6.6

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