NVIDIA GeForce RTX 3080 Ti 20 GB vs ATI Radeon X1950 XTX Uber Edition

VS

NVIDIA GeForce RTX 3080 Ti 20 GB

ATI Radeon X1950 XTX Uber Edition

We compared two Desktop platform GPUs: 20GB VRAM GeForce RTX 3080 Ti 20 GB and 512MB VRAM Radeon X1950 XTX Uber Edition 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 15 years late

Boost Clock1665MHz

More VRAM (20GB vs 512GB)

Larger VRAM bandwidth (760.3GB/s vs 67.20GB/s)

10240 additional rendering cores

ATI Radeon X1950 XTX Uber Edition 's Advantages

Lower TDP (125W vs 350W)

Score

GeForce RTX 3080 Ti 20 GB

VS

Radeon X1950 XTX Uber Edition

Graphics Card

Jan 2022

Release Date

Jan 2007

GeForce 30

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1335 MHz

Base Clock

-

1665 MHz

Boost Clock

-

1188 MHz

Memory Clock

1050 MHz

Memory

20GB

Memory Size

512MB

GDDR6X

Memory Type

GDDR4

320bit

Memory Bus

256bit

760.3GB/s

Bandwidth

67.20GB/s

Render Config

-

80

SM Count

-

10240

Shading Units

-

320

TMUs

16

112

ROPs

16

320

Tensor Cores

-

80

RT Cores

-

128 KB (per SM)

L1 Cache

-

6 MB

L2 Cache

-

Theoretical Performance

186.5 GPixel/s

Pixel Rate

10.72 GPixel/s

532.8 GTexel/s

Texture Rate

10.72 GTexel/s

34.10 TFLOPS

FP16 (half)

-

34.10 TFLOPS

FP32 (float)

-

532.8 GFLOPS

FP64 (double)

-

Board Design

350W

TDP

125W

750 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x VHDCI

1x 12-pin

Power Connectors

1x 6-pin

Graphics Processor

GA102

GPU Name

R580+

GA102-225-A1

GPU Variant

R580+ XT (215BAABKA31FG)

Ampere

Architecture

R500

Samsung

Foundry

TSMC

8 nm

Process Size

90 nm

28.3 billion

Transistors

0.384 billion

628 mm²

Die Size

352 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1 (full) 3.0 (partial)

3.0

OpenCL

N/A

1.3

Vulkan

N/A

8.6

CUDA

-

6.6

Shader Model

3.0

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