AMD Radeon RX 6900 XTX vs AMD Radeon R9 290X2

VS

AMD Radeon RX 6900 XTX

AMD Radeon R9 290X2

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XTX and 4GB VRAM Radeon R9 290X2 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 4GB)

Larger VRAM bandwidth (576.0GB/s vs 345.6GB/s)

2304 additional rendering cores

Lower TDP (330W vs 580W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XTX +342%

24.93 TFLOPS

Radeon R9 290X2

5.632 TFLOPS

Radeon RX 6900 XTX

VS

Radeon R9 290X2

Graphics Card

Unknown

Release Date

Jun 2014

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

1350 MHz

Memory

16GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

512bit

576.0GB/s

Bandwidth

345.6GB/s

Render Config

80

Compute Units

44

-

5120

Shading Units

2816

320

TMUs

176

128

ROPs

64

-

80

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

1024 KB

128 MB

L3 Cache

-

Theoretical Performance

311.7 GPixel/s

Pixel Rate

64.00 GPixel/s

779.2 GTexel/s

Texture Rate

176.0 GTexel/s

49.87 TFLOPS

FP16 (half)

-

24.93 TFLOPS

FP32 (float)

5.632 TFLOPS

1.558 TFLOPS

FP64 (double)

704.0 GFLOPS

Board Design

330W

TDP

580W

700 W

Suggested PSU

950 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

4x 8-pin

Graphics Processor

Navi 21

GPU Name

Hawaii

Navi 21 XTXH (215-121000247)

GPU Variant

Hawaii XT (215-0852000)

RDNA 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

26.8 billion

Transistors

6.2 billion

520 mm²

Die Size

438 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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