NVIDIA GeForce RTX 3080 Ti 20 GB vs AMD Radeon RX Vega 64

VS

NVIDIA GeForce RTX 3080 Ti 20 GB

AMD Radeon RX Vega 64

We compared two Desktop platform GPUs: 20GB VRAM GeForce RTX 3080 Ti 20 GB and 8GB VRAM Radeon RX Vega 64 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

Released 4 years and 5 months late

Boost Clock has increased by 8% (1665MHz vs 1546MHz)

More VRAM (20GB vs 8GB)

Larger VRAM bandwidth (760.3GB/s vs 483.8GB/s)

6144 additional rendering cores

AMD Radeon RX Vega 64 's Advantages

Lower TDP (295W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti 20 GB +169%

34.1 TFLOPS

Radeon RX Vega 64

12.66 TFLOPS

Blender

GeForce RTX 3080 Ti 20 GB +802%

5956

Radeon RX Vega 64

660

GeForce RTX 3080 Ti 20 GB

VS

Radeon RX Vega 64

Graphics Card

Jan 2022

Release Date

Aug 2017

GeForce 30

Generation

Vega

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1335 MHz

Base Clock

1247 MHz

1665 MHz

Boost Clock

1546 MHz

1188 MHz

Memory Clock

945 MHz

Memory

20GB

Memory Size

8GB

GDDR6X

Memory Type

HBM2

320bit

Memory Bus

2048bit

760.3GB/s

Bandwidth

483.8GB/s

Render Config

-

Compute Units

64

80

SM Count

-

10240

Shading Units

4096

320

TMUs

256

112

ROPs

64

320

Tensor Cores

-

80

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

4 MB

-

Theoretical Performance

186.5 GPixel/s

Pixel Rate

98.94 GPixel/s

532.8 GTexel/s

Texture Rate

395.8 GTexel/s

34.10 TFLOPS

FP16 (half)

25.33 TFLOPS

34.10 TFLOPS

FP32 (float)

12.66 TFLOPS

532.8 GFLOPS

FP64 (double)

791.6 GFLOPS

Board Design

350W

TDP

295W

750 W

Suggested PSU

600 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 12-pin

Power Connectors

2x 8-pin

Graphics Processor

GA102

GPU Name

Vega 10

GA102-225-A1

GPU Variant

Vega 10 XT (215-0894200)

Ampere

Architecture

GCN 5.0

Samsung

Foundry

GlobalFoundries

8 nm

Process Size

14 nm

28.3 billion

Transistors

12.5 billion

628 mm²

Die Size

495 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

8.6

CUDA

-

6.6

Shader Model

6.4

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