AMD Radeon RX 7900 XTX vs AMD Radeon RX 8800 XT

VS

AMD Radeon RX 7900 XTX

AMD Radeon RX 8800 XT

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX 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 7900 XTX 's Advantages

Boost Clock has increased by 3% (2498MHz vs 2430MHz)

More VRAM (24GB vs 16GB)

Larger VRAM bandwidth (960.0GB/s vs 624.1GB/s)

2048 additional rendering cores

AMD Radeon RX 8800 XT 's Advantages

Lower TDP (220W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XTX +208%

61.39 TFLOPS

Radeon RX 8800 XT

19.91 TFLOPS

Radeon RX 7900 XTX

VS

Radeon RX 8800 XT

Graphics Card

Nov 2022

Release Date

Unknown

Navi III

Generation

Navi IV(RX 8000)

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1929 MHz

Base Clock

1295 MHz

2498 MHz

Boost Clock

2430 MHz

2500 MHz

Memory Clock

2438 MHz

Memory

24GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

256bit

960.0GB/s

Bandwidth

624.1GB/s

Render Config

96

Compute Units

64

-

6144

Shading Units

4096

384

TMUs

256

192

ROPs

96

-

96

RT Cores

64

256 KB per Array

L1 Cache

128 KB per Array

6 MB

L2 Cache

4 MB

96 MB

L3 Cache

64 MB

Theoretical Performance

479.6 GPixel/s

Pixel Rate

233.3 GPixel/s

959.2 GTexel/s

Texture Rate

622.1 GTexel/s

122.8 TFLOPS

FP16 (half)

39.81 TFLOPS

61.39 TFLOPS

FP32 (float)

19.91 TFLOPS

1.918 TFLOPS

FP64 (double)

622.1 GFLOPS

Board Design

355W

TDP

220W

750 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.1a3x DisplayPort 2.1

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 31

GPU Name

Navi 48

Navi 31 XTX (215-145000146)

GPU Variant

Navi 48 XT

RDNA 3.0

Architecture

RDNA 4.0

TSMC

Foundry

TSMC

5 nm

Process Size

4 nm

57.7 billion

Transistors

Unknown

529 mm²

Die Size

Unknown

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

2.2

1.3

Vulkan

1.3

-

6.7

Shader Model

6.8

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