NVIDIA GeForce RTX 3080 Ti vs AMD Radeon RX 7990 XTX

VS

NVIDIA GeForce RTX 3080 Ti AMD Radeon RX 7990 XTX

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 3080 Ti and 24GB VRAM Radeon RX 7990 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti 's Advantages

4096 additional rendering cores

Lower TDP (350W vs 405W)

AMD Radeon RX 7990 XTX 's Advantages

Boost Clock has increased by 116% (3599MHz vs 1665MHz)

More VRAM (24GB vs 12GB)

Larger VRAM bandwidth (1152GB/s vs 912.4GB/s)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti

34.1 TFLOPS

Radeon RX 7990 XTX +159%

88.45 TFLOPS

GeForce RTX 3080 Ti

VS

Radeon RX 7990 XTX

Graphics Card

May 2021

Release Date

Unknown

GeForce 30

Generation

Navi III

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1365 MHz

Base Clock

2500 MHz

1665 MHz

Boost Clock

3599 MHz

1188 MHz

Memory Clock

3000 MHz

Memory

12GB

Memory Size

24GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

384bit

912.4GB/s

Bandwidth

1152GB/s

Render Config

80

SM Count

-

Compute Units

96

10240

Shading Units

6144

320

TMUs

384

112

ROPs

192

320

Tensor Cores

-

80

RT Cores

96

128 KB (per SM)

L1 Cache

256 KB per Array

6 MB

L2 Cache

6 MB

Theoretical Performance

186.5 GPixel/s

Pixel Rate

691.0 GPixel/s

532.8 GTexel/s

Texture Rate

1382 GTexel/s

34.10 TFLOPS

FP16 (half)

176.9 TFLOPS

34.10 TFLOPS

FP32 (float)

88.45 TFLOPS

532.8 GFLOPS

FP64 (double)

2.764 TFLOPS

Graphics Processor

GA102

GPU Name

Navi 31

GA102-225-A1

GPU Variant

Navi 31 XTX+

Ampere

Architecture

RDNA 3.0

Samsung

Foundry

TSMC

8 nm

Process Size

5 nm

28.3 billion

Transistors

57.7 billion

628 mm²

Die Size

529 mm²

Board Design

350W

TDP

405W

750 W

Suggested PSU

800 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

1x 12-pin

Power Connectors

3x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.3

Vulkan

1.3

8.6

CUDA

-

6.6

Shader Model

6.7

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