AMD Radeon RX 7950 XT vs NVIDIA GeForce RTX 3080 12 GB

VS

AMD Radeon RX 7950 XT NVIDIA GeForce RTX 3080 12 GB

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7950 XT and 12GB VRAM GeForce RTX 3080 12 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7950 XT 's Advantages

Boost Clock has increased by 75% (3000MHz vs 1710MHz)

More VRAM (20GB vs 12GB)

Lower TDP (300W vs 350W)

NVIDIA GeForce RTX 3080 12 GB 's Advantages

Larger VRAM bandwidth (912.4GB/s vs 800.0GB/s)

3584 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 7950 XT +110%

64.51 TFLOPS

GeForce RTX 3080 12 GB

30.64 TFLOPS

Radeon RX 7950 XT

VS

GeForce RTX 3080 12 GB

Graphics Card

Unknown

Release Date

Jan 2022

Navi III

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2000 MHz

Base Clock

1260 MHz

3000 MHz

Boost Clock

1710 MHz

2500 MHz

Memory Clock

1188 MHz

Memory

20GB

Memory Size

12GB

GDDR6

Memory Type

GDDR6X

320bit

Memory Bus

384bit

800.0GB/s

Bandwidth

912.4GB/s

Render Config

-

SM Count

70

84

Compute Units

-

5376

Shading Units

8960

336

TMUs

280

192

ROPs

96

-

Tensor Cores

280

84

RT Cores

70

256 KB per Array

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

5 MB

Theoretical Performance

576.0 GPixel/s

Pixel Rate

164.2 GPixel/s

1008 GTexel/s

Texture Rate

478.8 GTexel/s

129.0 TFLOPS

FP16 (half)

30.64 TFLOPS

64.51 TFLOPS

FP32 (float)

30.64 TFLOPS

2.016 TFLOPS

FP64 (double)

478.8 GFLOPS

Graphics Processor

Navi 31

GPU Name

GA102

Navi 31 XT+

GPU Variant

GA102-220-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

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 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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