NVIDIA GeForce RTX 3080 12 GB vs AMD Radeon R9 280X2

VS

NVIDIA GeForce RTX 3080 12 GB AMD Radeon R9 280X2

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 3080 12 GB and 3GB VRAM Radeon R9 280X2 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

Boost Clock has increased by 71% (1710MHz vs 1000MHz)

More VRAM (12GB vs 3GB)

Larger VRAM bandwidth (912.4GB/s vs 288.0GB/s)

6912 additional rendering cores

Lower TDP (350W vs 375W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 12 GB +648%

30.64 TFLOPS

Radeon R9 280X2

4.096 TFLOPS

GeForce RTX 3080 12 GB

VS

Radeon R9 280X2

Graphics Card

Jan 2022

Release Date

Unknown

GeForce 30

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1260 MHz

Base Clock

950 MHz

1710 MHz

Boost Clock

1000 MHz

1188 MHz

Memory Clock

1500 MHz

Memory

12GB

Memory Size

3GB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

384bit

912.4GB/s

Bandwidth

288.0GB/s

Render Config

70

SM Count

-

Compute Units

32

8960

Shading Units

2048

280

TMUs

128

96

ROPs

32

280

Tensor Cores

-

70

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

5 MB

L2 Cache

768 KB

Theoretical Performance

164.2 GPixel/s

Pixel Rate

32.00 GPixel/s

478.8 GTexel/s

Texture Rate

128.0 GTexel/s

30.64 TFLOPS

FP16 (half)

-

30.64 TFLOPS

FP32 (float)

4.096 TFLOPS

478.8 GFLOPS

FP64 (double)

1024 GFLOPS

Graphics Processor

GA102

GPU Name

Tahiti

GA102-220-A1

GPU Variant

Tahiti XTL (215-0821065)

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

4.313 billion

628 mm²

Die Size

352 mm²

Board Design

350W

TDP

375W

750 W

Suggested PSU

750 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

6x mini-DisplayPort 1.2

1x 12-pin

Power Connectors

3x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

8.6

CUDA

-

6.6

Shader Model

5.1

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