AMD Radeon R9 280X vs AMD Radeon RX 6600

VS

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X and 8GB VRAM Radeon RX 6600 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 224.0GB/s)

256 additional rendering cores

AMD Radeon RX 6600 's Advantages

Released 8 years late

Boost Clock has increased by 149% (2491MHz vs 1000MHz)

More VRAM (8GB vs 3GB)

Lower TDP (132W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 280X

4.096 TFLOPS

Radeon RX 6600 +117%

8.928 TFLOPS

3DMark Time Spy

Radeon R9 280X

2339

Radeon RX 6600 +245%

8081

Radeon R9 280X

VS

Radeon RX 6600

Graphics Card

Oct 2013

Release Date

Oct 2021

Volcanic Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

850 MHz

Base Clock

1626 MHz

1000 MHz

Boost Clock

2491 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

128bit

288.0GB/s

Bandwidth

224.0GB/s

Render Config

-

SM Count

-

32

Compute Units

28

2048

Shading Units

1792

128

TMUs

112

32

ROPs

64

-

Tensor Cores

-

RT Cores

28

16 KB (per CU)

L1 Cache

128 KB per Array

768 KB

L2 Cache

2 MB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

159.4 GPixel/s

128.0 GTexel/s

Texture Rate

279.0 GTexel/s

-

FP16 (half)

17.86 TFLOPS

4.096 TFLOPS

FP32 (float)

8.928 TFLOPS

1024 GFLOPS

FP64 (double)

558.0 GFLOPS

Graphics Processor

Tahiti

GPU Name

Navi 23

Tahiti XTL (215-0821065)

GPU Variant

Navi 23 XL (215-130000016)

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

4.313 billion

Transistors

11.06 billion

352 mm²

Die Size

237 mm²

Board Design

250W

TDP

132W

600 W

Suggested PSU

300 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 8-pin

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

CUDA

-

5.1

Shader Model

6.5

Related GPU Comparisons

1

NVIDIA GeForce GTX 1080 vs AMD Radeon R9 280X

2

AMD Radeon HD 7470 OEM vs AMD Radeon R9 280X

3

AMD Radeon RX 7800 vs AMD Radeon R9 280X

4

AMD Radeon RX 5500 OEM vs AMD Radeon R9 280X

5

AMD Radeon RX 5600 OEM vs AMD Radeon R9 280X

6

AMD Radeon R9 280X vs AMD Radeon RX 580 2048SP

7

NVIDIA GeForce GT 640 OEM vs AMD Radeon R9 280X

8

AMD Radeon R9 280X vs ATI Radeon HD 5870 Eyefinity 6

9

AMD Radeon R9 280X vs NVIDIA GeForce 9300 GE

10

AMD Radeon R9 280X vs NVIDIA GeForce 9500 GT Rev. 3

Related News

1

Apple's 2025 OS in Development: iOS 19 Codename 'Luck'

2

Apple's AI is Memory Hungry! The Entire iPhone 16 Lineup Comes with 8GB RAM

3

Noctua Announce NH-D15 G2 Air Cooler and NF-A14x25r G2 Fan

4

The P-Cores and E-Cores in Arrow Lake Will Be Interleaved, Reducing Core Communication Latency and Improving Heat Dissipation

5

Changes in Intel Arrow Lake P/E Core Layout: Two Major Benefits

6

Time to Step Up, AMD and Intel! Nvidia Faces Antitrust Lawsuits in France, US, and EU

7

Intel Arrow Lake-S Features Dual Direct M.2 Slots: One PCIe 5.0 x4 and One PCIe 4.0 x4

8

AMD Ryzen 9000X3D Series to Feature Fully Unlocked Overclocking; DDR5-6400: The 'Sweet Spot' for Zen 5 Memory Speeds

9

Intel Z890 Motherboard Specs Leaked: Farewell to DDR4 Memory

10

AMD Ryzen 9000 Series Now Available for Pre-order in Europe: 9950X Priced at €660, Shipping by August 2