AMD Radeon RX 7900 XT vs AMD Ryzen Z1 Extreme GPU

VS

AMD Radeon RX 7900 XT

AMD Ryzen Z1 Extreme GPU

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 16GB VRAM Ryzen Z1 Extreme GPU to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XT 's Advantages

More VRAM (20GB vs 16GB)

Larger VRAM bandwidth (800.0GB/s vs 25.60GB/s)

4608 additional rendering cores

AMD Ryzen Z1 Extreme GPU 's Advantages

Released 7 months late

Boost Clock has increased by 13% (2700MHz vs 2394MHz)

Lower TDP (30W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XT +520%

51.48 TFLOPS

Ryzen Z1 Extreme GPU

8.294 TFLOPS

Radeon RX 7900 XT

VS

Ryzen Z1 Extreme GPU

Graphics Card

Nov 2022

Release Date

Jun 2023

Navi III

Generation

Console GPU(ASUS)

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

-

Clock Speeds

1387 MHz

Base Clock

800 MHz

2394 MHz

Boost Clock

2700 MHz

2500 MHz

Memory Clock

800 MHz

Memory

20GB

Memory Size

16GB

GDDR6

Memory Type

LPDDR5

320bit

Memory Bus

64bit

800.0GB/s

Bandwidth

25.60GB/s

Render Config

84

Compute Units

12

-

5376

Shading Units

768

336

TMUs

48

192

ROPs

32

-

84

RT Cores

12

256 KB per Array

L1 Cache

128 KB per Array

6 MB

L2 Cache

8 MB

80 MB

L3 Cache

16 MB

Theoretical Performance

459.6 GPixel/s

Pixel Rate

86.40 GPixel/s

804.4 GTexel/s

Texture Rate

129.6 GTexel/s

103.0 TFLOPS

FP16 (half)

16.59 TFLOPS

51.48 TFLOPS

FP32 (float)

8.294 TFLOPS

1.609 TFLOPS

FP64 (double)

518.4 GFLOPS

Board Design

300W

TDP

30W

700 W

Suggested PSU

-

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

Outputs

1x USB Type-C

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

Phoenix

Navi 31 XT (215-145000156)

GPU Variant

-

RDNA 3.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

5 nm

Process Size

4 nm

57.7 billion

Transistors

25.39 billion

529 mm²

Die Size

178 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.3

-

6.7

Shader Model

6.8

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