AMD Radeon R9 280X2 vs NVIDIA GeForce RTX 3080

VS

AMD Radeon R9 280X2

NVIDIA GeForce RTX 3080

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X2 and 10GB VRAM GeForce RTX 3080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 's Advantages

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

More VRAM (10GB vs 3GB)

Larger VRAM bandwidth (760.3GB/s vs 288.0GB/s)

6656 additional rendering cores

Lower TDP (320W vs 375W)

Score

Benchmark

FP32 (float)

Radeon R9 280X2

4.096 TFLOPS

GeForce RTX 3080 +626%

29.77 TFLOPS

Radeon R9 280X2

VS

GeForce RTX 3080

Graphics Card

Unknown

Release Date

Sep 2020

Volcanic Islands

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

950 MHz

Base Clock

1440 MHz

1000 MHz

Boost Clock

1710 MHz

1500 MHz

Memory Clock

1188 MHz

Memory

3GB

Memory Size

10GB

GDDR5

Memory Type

GDDR6X

384bit

Memory Bus

320bit

288.0GB/s

Bandwidth

760.3GB/s

Render Config

32

Compute Units

-

SM Count

68

2048

Shading Units

8704

128

TMUs

272

32

ROPs

96

-

Tensor Cores

272

-

RT Cores

68

16 KB (per CU)

L1 Cache

128 KB (per SM)

768 KB

L2 Cache

5 MB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

164.2 GPixel/s

128.0 GTexel/s

Texture Rate

465.1 GTexel/s

-

FP16 (half)

29.77 TFLOPS

4.096 TFLOPS

FP32 (float)

29.77 TFLOPS

1024 GFLOPS

FP64 (double)

465.1 GFLOPS

Board Design

375W

TDP

320W

750 W

Suggested PSU

700 W

6x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

3x 8-pin

Power Connectors

1x 12-pin

Graphics Processor

Tahiti

GPU Name

GA102

Tahiti XTL (215-0821065)

GPU Variant

GA102-200-KD-A1

GCN 1.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

4.313 billion

Transistors

28.3 billion

352 mm²

Die Size

628 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

5.1

Shader Model

6.6

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