AMD Ryzen Z1 Extreme GPU vs AMD Radeon HD 7870 XT

VS

AMD Ryzen Z1 Extreme GPU

AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 16GB VRAM Ryzen Z1 Extreme GPU and 2GB VRAM Radeon HD 7870 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Ryzen Z1 Extreme GPU 's Advantages

Released 10 years and 7 months late

Boost Clock has increased by 177% (2700MHz vs 975MHz)

More VRAM (16GB vs 2GB)

Lower TDP (30W vs 185W)

AMD Radeon HD 7870 XT 's Advantages

Larger VRAM bandwidth (192.0GB/s vs 25.60GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

Ryzen Z1 Extreme GPU +176%

8.294 TFLOPS

Radeon HD 7870 XT

2.995 TFLOPS

Ryzen Z1 Extreme GPU

VS

Radeon HD 7870 XT

Graphics Card

Jun 2023

Release Date

Nov 2012

Console GPU(ASUS)

Generation

Southern Islands

Desktop

Type

Desktop

-

Bus Interface

PCIe 3.0 x16

Clock Speeds

800 MHz

Base Clock

925 MHz

2700 MHz

Boost Clock

975 MHz

800 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

2GB

LPDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

25.60GB/s

Bandwidth

192.0GB/s

Render Config

12

Compute Units

24

-

768

Shading Units

1536

48

TMUs

96

32

ROPs

32

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

8 MB

L2 Cache

512 KB

16 MB

L3 Cache

-

Theoretical Performance

86.40 GPixel/s

Pixel Rate

31.20 GPixel/s

129.6 GTexel/s

Texture Rate

93.60 GTexel/s

16.59 TFLOPS

FP16 (half)

-

8.294 TFLOPS

FP32 (float)

2.995 TFLOPS

518.4 GFLOPS

FP64 (double)

748.8 GFLOPS

Board Design

30W

TDP

185W

-

Suggested PSU

450 W

1x USB Type-C

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

Phoenix

GPU Name

Tahiti

-

GPU Variant

Tahiti LE (215-0821122)

RDNA 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

25.39 billion

Transistors

4.313 billion

178 mm²

Die Size

352 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

6.8

Shader Model

5.1

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