AMD Radeon R9 280 vs NVIDIA RTX A400

VS

AMD Radeon R9 280

NVIDIA RTX A400

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 and 4GB VRAM RTX A400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 280 's Advantages

Larger VRAM bandwidth (240.0GB/s vs 96.00GB/s)

1024 additional rendering cores

NVIDIA RTX A400 's Advantages

Released 10 years and 1 months late

Boost Clock has increased by 89% (1762MHz vs 933MHz)

More VRAM (4GB vs 3GB)

Lower TDP (50W vs 200W)

Score

Benchmark

FP32 (float)

Radeon R9 280 +23%

3.344 TFLOPS

RTX A400

2.706 TFLOPS

Radeon R9 280

VS

RTX A400

Graphics Card

Mar 2014

Release Date

Apr 2024

Volcanic Islands

Generation

Quadro Ampere(Ax000)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

827 MHz

Base Clock

1417 MHz

933 MHz

Boost Clock

1762 MHz

1250 MHz

Memory Clock

1500 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

64bit

240.0GB/s

Bandwidth

96.00GB/s

Render Config

28

Compute Units

-

SM Count

6

1792

Shading Units

768

112

TMUs

24

32

ROPs

16

-

Tensor Cores

24

-

RT Cores

6

16 KB (per CU)

L1 Cache

128 KB (per SM)

768 KB

L2 Cache

2 MB

-

Theoretical Performance

29.86 GPixel/s

Pixel Rate

28.19 GPixel/s

104.5 GTexel/s

Texture Rate

42.29 GTexel/s

-

FP16 (half)

2.706 TFLOPS

3.344 TFLOPS

FP32 (float)

2.706 TFLOPS

836.0 GFLOPS

FP64 (double)

42.29 GFLOPS

Board Design

200W

TDP

50W

550 W

Suggested PSU

250 W

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

Outputs

4x mini-DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

GA107

Tahiti PRO3 (215-0821330)

GPU Variant

-

GCN 1.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

4.313 billion

Transistors

8.7 billion

352 mm²

Die Size

200 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

6.8

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