AMD Radeon HD 7870 GHz Edition vs AMD Ryzen Z1 Extreme GPU

VS

AMD Radeon HD 7870 GHz Edition

AMD Ryzen Z1 Extreme GPU

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

Larger VRAM bandwidth (153.6GB/s vs 25.60GB/s)

512 additional rendering cores

AMD Ryzen Z1 Extreme GPU 's Advantages

Released 11 years and 3 months late

Boost Clock2700MHz

More VRAM (16GB vs 2GB)

Lower TDP (30W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 GHz Edition

2.56 TFLOPS

Ryzen Z1 Extreme GPU +223%

8.294 TFLOPS

Radeon HD 7870 GHz Edition

VS

Ryzen Z1 Extreme GPU

Graphics Card

Mar 2012

Release Date

Jun 2023

Southern Islands

Generation

Console GPU(ASUS)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

-

Clock Speeds

-

Base Clock

800 MHz

-

Boost Clock

2700 MHz

1200 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

LPDDR5

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

25.60GB/s

Render Config

20

Compute Units

12

-

1280

Shading Units

768

80

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

32.00 GPixel/s

Pixel Rate

86.40 GPixel/s

80.00 GTexel/s

Texture Rate

129.6 GTexel/s

-

FP16 (half)

16.59 TFLOPS

2.560 TFLOPS

FP32 (float)

8.294 TFLOPS

160.0 GFLOPS

FP64 (double)

518.4 GFLOPS

Board Design

175W

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

Pitcairn

GPU Name

Phoenix

Pitcairn XT (215-0828047)

GPU Variant

-

GCN 1.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

2.8 billion

Transistors

25.39 billion

212 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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