AMD Radeon RX 7900 XT vs NVIDIA GeForce RTX 3080 Ti 20 GB

VS

AMD Radeon RX 7900 XT

NVIDIA GeForce RTX 3080 Ti 20 GB

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 20GB VRAM GeForce RTX 3080 Ti 20 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XT 's Advantages

Released 10 months late

Boost Clock has increased by 44% (2394MHz vs 1665MHz)

Larger VRAM bandwidth (800.0GB/s vs 760.3GB/s)

Lower TDP (300W vs 350W)

NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages

4864 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 7900 XT +50%

51.48 TFLOPS

GeForce RTX 3080 Ti 20 GB

34.1 TFLOPS

Blender

Radeon RX 7900 XT

3905

GeForce RTX 3080 Ti 20 GB +52%

5956

Radeon RX 7900 XT

VS

GeForce RTX 3080 Ti 20 GB

Graphics Card

Nov 2022

Release Date

Jan 2022

Navi III

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1387 MHz

Base Clock

1335 MHz

2394 MHz

Boost Clock

1665 MHz

2500 MHz

Memory Clock

1188 MHz

Memory

20GB

Memory Size

20GB

GDDR6

Memory Type

GDDR6X

320bit

Memory Bus

320bit

800.0GB/s

Bandwidth

760.3GB/s

Render Config

84

Compute Units

-

SM Count

80

5376

Shading Units

10240

336

TMUs

320

192

ROPs

112

-

Tensor Cores

320

84

RT Cores

80

256 KB per Array

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

6 MB

80 MB

L3 Cache

-

Theoretical Performance

459.6 GPixel/s

Pixel Rate

186.5 GPixel/s

804.4 GTexel/s

Texture Rate

532.8 GTexel/s

103.0 TFLOPS

FP16 (half)

34.10 TFLOPS

51.48 TFLOPS

FP32 (float)

34.10 TFLOPS

1.609 TFLOPS

FP64 (double)

532.8 GFLOPS

Board Design

300W

TDP

350W

700 W

Suggested PSU

750 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 12-pin

Graphics Processor

Navi 31

GPU Name

GA102

Navi 31 XT (215-145000156)

GPU Variant

GA102-225-A1

RDNA 3.0

Architecture

Ampere

TSMC

Foundry

Samsung

5 nm

Process Size

8 nm

57.7 billion

Transistors

28.3 billion

529 mm²

Die Size

628 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

8.6

6.7

Shader Model

6.6

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