AMD Radeon R9 280 vs AMD Radeon RX 7800 XT

VS

AMD Radeon R9 280

AMD Radeon RX 7800 XT

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 and 16GB VRAM Radeon RX 7800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 280 's Advantages

Lower TDP (200W vs 263W)

AMD Radeon RX 7800 XT 's Advantages

Released 9 years and 5 months late

Boost Clock has increased by 160% (2430MHz vs 933MHz)

More VRAM (16GB vs 3GB)

Larger VRAM bandwidth (624.1GB/s vs 240.0GB/s)

2048 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 280

3.344 TFLOPS

Radeon RX 7800 XT +1016%

37.32 TFLOPS

3DMark Time Spy

Radeon R9 280

2009

Radeon RX 7800 XT +897%

20031

Radeon R9 280

VS

Radeon RX 7800 XT

Graphics Card

Mar 2014

Release Date

Aug 2023

Volcanic Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

827 MHz

Base Clock

1295 MHz

933 MHz

Boost Clock

2430 MHz

1250 MHz

Memory Clock

2438 MHz

Memory

3GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

624.1GB/s

Render Config

28

Compute Units

60

-

1792

Shading Units

3840

112

TMUs

240

32

ROPs

96

-

RT Cores

60

16 KB (per CU)

L1 Cache

128 KB per Array

768 KB

L2 Cache

4 MB

-

L3 Cache

64 MB

Theoretical Performance

29.86 GPixel/s

Pixel Rate

233.3 GPixel/s

104.5 GTexel/s

Texture Rate

583.2 GTexel/s

-

FP16 (half)

74.65 TFLOPS

3.344 TFLOPS

FP32 (float)

37.32 TFLOPS

836.0 GFLOPS

FP64 (double)

1166 GFLOPS

Board Design

200W

TDP

263W

550 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.1a 3x DisplayPort 2.1

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Tahiti

GPU Name

Navi 32

Tahiti PRO3 (215-0821330)

GPU Variant

Navi 32 XT (215-180000006)

GCN 1.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

4.313 billion

Transistors

28.1 billion

352 mm²

Die Size

346 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.2

1.2

Vulkan

1.3

-

5.1

Shader Model

6.7

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