AMD Radeon RX 7900 XTX vs AMD Radeon R9 280X2

VS

AMD Radeon RX 7900 XTX AMD Radeon R9 280X2

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX and 3GB VRAM Radeon R9 280X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XTX 's Advantages

Boost Clock has increased by 150% (2498MHz vs 1000MHz)

More VRAM (24GB vs 3GB)

Larger VRAM bandwidth (960.0GB/s vs 288.0GB/s)

4096 additional rendering cores

Lower TDP (355W vs 375W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XTX +1398%

61.39 TFLOPS

Radeon R9 280X2

4.096 TFLOPS

Radeon RX 7900 XTX

VS

Radeon R9 280X2

Graphics Card

Nov 2022

Release Date

Unknown

Navi III

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1929 MHz

Base Clock

950 MHz

2498 MHz

Boost Clock

1000 MHz

2500 MHz

Memory Clock

1500 MHz

Memory

24GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

384bit

960.0GB/s

Bandwidth

288.0GB/s

Render Config

-

SM Count

-

96

Compute Units

32

6144

Shading Units

2048

384

TMUs

128

192

ROPs

32

-

Tensor Cores

-

96

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

768 KB

Theoretical Performance

479.6 GPixel/s

Pixel Rate

32.00 GPixel/s

959.2 GTexel/s

Texture Rate

128.0 GTexel/s

122.8 TFLOPS

FP16 (half)

-

61.39 TFLOPS

FP32 (float)

4.096 TFLOPS

1.918 TFLOPS

FP64 (double)

1024 GFLOPS

Graphics Processor

Navi 31

GPU Name

Tahiti

Navi 31 XTX (215-145000146)

GPU Variant

Tahiti XTL (215-0821065)

RDNA 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

57.7 billion

Transistors

4.313 billion

529 mm²

Die Size

352 mm²

Board Design

355W

TDP

375W

750 W

Suggested PSU

750 W

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

Outputs

6x mini-DisplayPort 1.2

2x 8-pin

Power Connectors

3x 8-pin

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

-

CUDA

-

6.7

Shader Model

5.1

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