AMD Radeon R9 280X vs NVIDIA GeForce RTX 5080

VS

AMD Radeon R9 280X NVIDIA GeForce RTX 5080

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X and 16GB VRAM GeForce RTX 5080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 280X 's Advantages

Larger VRAM bandwidth (288.0GB/s vs 160.0GB/s)

Lower TDP (250W vs 350W)

NVIDIA GeForce RTX 5080 's Advantages

Released 11 years and 3 months late

Boost Clock has increased by 152% (2520MHz vs 1000MHz)

More VRAM (16GB vs 3GB)

8704 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 280X

4.096 TFLOPS

GeForce RTX 5080 +1222%

54.19 TFLOPS

Radeon R9 280X

VS

GeForce RTX 5080

Graphics Card

Oct 2013

Release Date

Jan 2025

Volcanic Islands

Generation

GeForce 50

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

850 MHz

Base Clock

2235 MHz

1000 MHz

Boost Clock

2520 MHz

1500 MHz

Memory Clock

2500 MHz

Memory

3GB

Memory Size

16GB

GDDR5

Memory Type

GDDR7

384bit

Memory Bus

256bit

288.0GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

84

32

Compute Units

-

2048

Shading Units

10752

128

TMUs

336

32

ROPs

128

-

Tensor Cores

336

-

RT Cores

84

16 KB (per CU)

L1 Cache

128 KB (per SM)

768 KB

L2 Cache

64 MB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

322.6 GPixel/s

128.0 GTexel/s

Texture Rate

846.7 GTexel/s

-

FP16 (half)

54.19 TFLOPS

4.096 TFLOPS

FP32 (float)

54.19 TFLOPS

1024 GFLOPS

FP64 (double)

846.7 GFLOPS

Graphics Processor

Tahiti

GPU Name

GB203

Tahiti XTL (215-0821065)

GPU Variant

GB203

GCN 1.0

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

0 nm

4.313 billion

Transistors

Unknown

352 mm²

Die Size

Unknown

Board Design

250W

TDP

350W

600 W

Suggested PSU

750 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 16-pin

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

9.1

5.1

Shader Model

6.7

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