AMD Radeon RX 6700 XT vs AMD Radeon R9 280X2

VS

AMD Radeon RX 6700 XT

AMD Radeon R9 280X2

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 6700 XT 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 6700 XT 's Advantages

Boost Clock has increased by 158% (2581MHz vs 1000MHz)

More VRAM (12GB vs 3GB)

Larger VRAM bandwidth (384.0GB/s vs 288.0GB/s)

512 additional rendering cores

Lower TDP (230W vs 375W)

Score

Benchmark

FP32 (float)

Radeon RX 6700 XT +222%

13.21 TFLOPS

Radeon R9 280X2

4.096 TFLOPS

Radeon RX 6700 XT

VS

Radeon R9 280X2

Graphics Card

Mar 2021

Release Date

Unknown

Navi II

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2321 MHz

Base Clock

950 MHz

2581 MHz

Boost Clock

1000 MHz

2000 MHz

Memory Clock

1500 MHz

Memory

12GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

384bit

384.0GB/s

Bandwidth

288.0GB/s

Render Config

40

Compute Units

32

-

2560

Shading Units

2048

160

TMUs

128

64

ROPs

32

-

40

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

768 KB

96 MB

L3 Cache

-

Theoretical Performance

165.2 GPixel/s

Pixel Rate

32.00 GPixel/s

413.0 GTexel/s

Texture Rate

128.0 GTexel/s

26.43 TFLOPS

FP16 (half)

-

13.21 TFLOPS

FP32 (float)

4.096 TFLOPS

825.9 GFLOPS

FP64 (double)

1024 GFLOPS

Board Design

230W

TDP

375W

550 W

Suggested PSU

750 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

6x mini-DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

3x 8-pin

Graphics Processor

Navi 22

GPU Name

Tahiti

Navi 22 XT (215-127000006)

GPU Variant

Tahiti XTL (215-0821065)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

17.2 billion

Transistors

4.313 billion

335 mm²

Die Size

352 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

6.5

Shader Model

5.1

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