AMD Radeon RX 6900 XTX vs AMD Radeon R7 260X

VS

AMD Radeon RX 6900 XTX

AMD Radeon R7 260X

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XTX and 2GB VRAM Radeon R7 260X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6900 XTX 's Advantages

Boost Clock2435MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 104.0GB/s)

4224 additional rendering cores

AMD Radeon R7 260X 's Advantages

Lower TDP (115W vs 330W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XTX +1164%

24.93 TFLOPS

Radeon R7 260X

1.971 TFLOPS

Radeon RX 6900 XTX

VS

Radeon R7 260X

Graphics Card

Unknown

Release Date

Oct 2013

Navi II

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2075 MHz

Base Clock

-

2435 MHz

Boost Clock

-

2250 MHz

Memory Clock

1625 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

104.0GB/s

Render Config

80

Compute Units

14

-

5120

Shading Units

896

320

TMUs

56

128

ROPs

16

-

80

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

128 MB

L3 Cache

-

Theoretical Performance

311.7 GPixel/s

Pixel Rate

17.60 GPixel/s

779.2 GTexel/s

Texture Rate

61.60 GTexel/s

49.87 TFLOPS

FP16 (half)

-

24.93 TFLOPS

FP32 (float)

1.971 TFLOPS

1.558 TFLOPS

FP64 (double)

123.2 GFLOPS

Board Design

330W

TDP

115W

700 W

Suggested PSU

300 W

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

Outputs

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

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 21

GPU Name

Bonaire

Navi 21 XTXH (215-121000247)

GPU Variant

Bonaire XTX (215-0839097)

RDNA 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

26.8 billion

Transistors

2.08 billion

520 mm²

Die Size

160 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.3

Vulkan

1.2

-

6.5

Shader Model

6.3

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