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

VS

NVIDIA GeForce RTX 3080 12 GB

AMD Radeon RX 7950 XT

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

Main Differences

NVIDIA GeForce RTX 3080 12 GB 's Advantages

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

3584 additional rendering cores

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)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 12 GB

30.64 TFLOPS

Radeon RX 7950 XT +110%

64.51 TFLOPS

GeForce RTX 3080 12 GB

VS

Radeon RX 7950 XT

Graphics Card

Jan 2022

Release Date

Unknown

GeForce 30

Generation

Navi III

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1260 MHz

Base Clock

2000 MHz

1710 MHz

Boost Clock

3000 MHz

1188 MHz

Memory Clock

2500 MHz

Memory

12GB

Memory Size

20GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

320bit

912.4GB/s

Bandwidth

800.0GB/s

Render Config

-

Compute Units

84

70

SM Count

-

8960

Shading Units

5376

280

TMUs

336

96

ROPs

192

280

Tensor Cores

-

70

RT Cores

84

128 KB (per SM)

L1 Cache

256 KB per Array

5 MB

L2 Cache

6 MB

-

L3 Cache

80 MB

Theoretical Performance

164.2 GPixel/s

Pixel Rate

576.0 GPixel/s

478.8 GTexel/s

Texture Rate

1008 GTexel/s

30.64 TFLOPS

FP16 (half)

129.0 TFLOPS

30.64 TFLOPS

FP32 (float)

64.51 TFLOPS

478.8 GFLOPS

FP64 (double)

2.016 TFLOPS

Board Design

350W

TDP

300W

750 W

Suggested PSU

700 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

2x 8-pin

Graphics Processor

GA102

GPU Name

Navi 31

GA102-220-A1

GPU Variant

Navi 31 XT+

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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