AMD Radeon HD 7870 XT vs AMD Ryzen Z1 Extreme GPU

VS

AMD Radeon HD 7870 XT

AMD Ryzen Z1 Extreme GPU

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 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 HD 7870 XT 's Advantages

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

768 additional rendering cores

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)

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT

2.995 TFLOPS

Ryzen Z1 Extreme GPU +176%

8.294 TFLOPS

Radeon HD 7870 XT

VS

Ryzen Z1 Extreme GPU

Graphics Card

Nov 2012

Release Date

Jun 2023

Southern Islands

Generation

Console GPU(ASUS)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

-

Clock Speeds

925 MHz

Base Clock

800 MHz

975 MHz

Boost Clock

2700 MHz

1500 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

LPDDR5

256bit

Memory Bus

64bit

192.0GB/s

Bandwidth

25.60GB/s

Render Config

24

Compute Units

12

-

1536

Shading Units

768

96

TMUs

48

32

ROPs

32

-

RT Cores

12

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

8 MB

-

L3 Cache

16 MB

Theoretical Performance

31.20 GPixel/s

Pixel Rate

86.40 GPixel/s

93.60 GTexel/s

Texture Rate

129.6 GTexel/s

-

FP16 (half)

16.59 TFLOPS

2.995 TFLOPS

FP32 (float)

8.294 TFLOPS

748.8 GFLOPS

FP64 (double)

518.4 GFLOPS

Board Design

185W

TDP

30W

450 W

Suggested PSU

-

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

Outputs

1x USB Type-C

2x 6-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

Phoenix

Tahiti LE (215-0821122)

GPU Variant

-

GCN 1.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

4.313 billion

Transistors

25.39 billion

352 mm²

Die Size

178 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.8

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