AMD Radeon R9 290X2 vs AMD Radeon RX 8800 XT

VS

AMD Radeon R9 290X2

AMD Radeon RX 8800 XT

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 290X2 and 16GB VRAM Radeon RX 8800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 8800 XT 's Advantages

Boost Clock2430MHz

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (624.1GB/s vs 345.6GB/s)

1280 additional rendering cores

Lower TDP (220W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 290X2

5.632 TFLOPS

Radeon RX 8800 XT +253%

19.91 TFLOPS

Radeon R9 290X2

VS

Radeon RX 8800 XT

Graphics Card

Jun 2014

Release Date

Unknown

Volcanic Islands

Generation

Navi IV(RX 8000)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1295 MHz

-

Boost Clock

2430 MHz

1350 MHz

Memory Clock

2438 MHz

Memory

4GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

512bit

Memory Bus

256bit

345.6GB/s

Bandwidth

624.1GB/s

Render Config

44

Compute Units

64

-

2816

Shading Units

4096

176

TMUs

256

64

ROPs

96

-

RT Cores

64

16 KB (per CU)

L1 Cache

128 KB per Array

1024 KB

L2 Cache

4 MB

-

L3 Cache

64 MB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

233.3 GPixel/s

176.0 GTexel/s

Texture Rate

622.1 GTexel/s

-

FP16 (half)

39.81 TFLOPS

5.632 TFLOPS

FP32 (float)

19.91 TFLOPS

704.0 GFLOPS

FP64 (double)

622.1 GFLOPS

Board Design

580W

TDP

220W

950 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.1a3x DisplayPort 2.1

4x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Hawaii

GPU Name

Navi 48

Hawaii XT (215-0852000)

GPU Variant

Navi 48 XT

GCN 2.0

Architecture

RDNA 4.0

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

6.2 billion

Transistors

Unknown

438 mm²

Die Size

Unknown

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

2.2

1.2

Vulkan

1.3

-

6.3

Shader Model

6.8

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