AMD Radeon RX 7800 XT vs AMD Radeon R9 280X

VS

AMD Radeon RX 7800 XT

AMD Radeon R9 280X

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

Main Differences

AMD Radeon RX 7800 XT 's Advantages

Released 9 years and 10 months late

Boost Clock has increased by 143% (2430MHz vs 1000MHz)

More VRAM (16GB vs 3GB)

Larger VRAM bandwidth (624.1GB/s vs 288.0GB/s)

1792 additional rendering cores

AMD Radeon R9 280X 's Advantages

Lower TDP (250W vs 263W)

Score

Benchmark

FP32 (float)

Radeon RX 7800 XT +811%

37.32 TFLOPS

Radeon R9 280X

4.096 TFLOPS

3DMark Time Spy

Radeon RX 7800 XT +753%

20031

Radeon R9 280X

2348

Radeon RX 7800 XT

VS

Radeon R9 280X

Graphics Card

Aug 2023

Release Date

Oct 2013

Navi III

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1295 MHz

Base Clock

850 MHz

2430 MHz

Boost Clock

1000 MHz

2438 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

384bit

624.1GB/s

Bandwidth

288.0GB/s

Render Config

60

Compute Units

32

-

3840

Shading Units

2048

240

TMUs

128

96

ROPs

32

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

768 KB

64 MB

L3 Cache

-

Theoretical Performance

233.3 GPixel/s

Pixel Rate

32.00 GPixel/s

583.2 GTexel/s

Texture Rate

128.0 GTexel/s

74.65 TFLOPS

FP16 (half)

-

37.32 TFLOPS

FP32 (float)

4.096 TFLOPS

1166 GFLOPS

FP64 (double)

1024 GFLOPS

Board Design

263W

TDP

250W

600 W

Suggested PSU

600 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

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

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 32

GPU Name

Tahiti

Navi 32 XT (215-180000006)

GPU Variant

Tahiti XTL (215-0821065)

RDNA 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

28.1 billion

Transistors

4.313 billion

346 mm²

Die Size

352 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

1.2

1.3

Vulkan

1.2

-

6.7

Shader Model

5.1

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