NVIDIA GeForce RTX 3080 vs AMD Radeon RX 7990 XTX

VS

NVIDIA GeForce RTX 3080

AMD Radeon RX 7990 XTX

We compared two Desktop platform GPUs: 10GB VRAM GeForce RTX 3080 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 's Advantages

2560 additional rendering cores

Lower TDP (320W vs 405W)

AMD Radeon RX 7990 XTX 's Advantages

Boost Clock has increased by 110% (3599MHz vs 1710MHz)

More VRAM (24GB vs 10GB)

Larger VRAM bandwidth (1152GB/s vs 760.3GB/s)

Score

Benchmark

FP32 (float)

GeForce RTX 3080

29.77 TFLOPS

Radeon RX 7990 XTX +197%

88.45 TFLOPS

GeForce RTX 3080

VS

Radeon RX 7990 XTX

Graphics Card

Sep 2020

Release Date

Unknown

GeForce 30

Generation

Navi III

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1440 MHz

Base Clock

2500 MHz

1710 MHz

Boost Clock

3599 MHz

1188 MHz

Memory Clock

3000 MHz

Memory

10GB

Memory Size

24GB

GDDR6X

Memory Type

GDDR6

320bit

Memory Bus

384bit

760.3GB/s

Bandwidth

1152GB/s

Render Config

-

Compute Units

96

68

SM Count

-

8704

Shading Units

6144

272

TMUs

384

96

ROPs

192

272

Tensor Cores

-

68

RT Cores

96

128 KB (per SM)

L1 Cache

256 KB per Array

5 MB

L2 Cache

6 MB

-

L3 Cache

192 MB

Theoretical Performance

164.2 GPixel/s

Pixel Rate

691.0 GPixel/s

465.1 GTexel/s

Texture Rate

1382 GTexel/s

29.77 TFLOPS

FP16 (half)

176.9 TFLOPS

29.77 TFLOPS

FP32 (float)

88.45 TFLOPS

465.1 GFLOPS

FP64 (double)

2.764 TFLOPS

Board Design

320W

TDP

405W

700 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 Processor

GA102

GPU Name

Navi 31

GA102-200-KD-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

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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