AMD Radeon E8870 vs AMD Radeon RX 7700S

VS

AMD Radeon E8870

AMD Radeon RX 7700S

We compared two Mobile platform GPUs: 4GB VRAM Radeon E8870 and 8GB VRAM Radeon RX 7700S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8870 's Advantages

Lower TDP (75W vs 100W)

AMD Radeon RX 7700S 's Advantages

Released 7 years and 4 months late

Boost Clock2500MHz

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (288.0GB/s vs 96.00GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E8870

1.536 TFLOPS

Radeon RX 7700S +1233%

20.48 TFLOPS

Radeon E8870

VS

Radeon RX 7700S

Graphics Card

Sep 2015

Release Date

Jan 2023

Embedded

Generation

Navi Mobile

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1500 MHz

-

Boost Clock

2500 MHz

1500 MHz

Memory Clock

2250 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

288.0GB/s

Render Config

12

Compute Units

32

-

768

Shading Units

2048

48

TMUs

128

16

ROPs

64

-

RT Cores

32

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

16.00 GPixel/s

Pixel Rate

160.0 GPixel/s

48.00 GTexel/s

Texture Rate

320.0 GTexel/s

-

FP16 (half)

40.96 TFLOPS

1.536 TFLOPS

FP32 (float)

20.48 TFLOPS

96.00 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

75W

TDP

100W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Saturn

GPU Name

Navi 33

Saturn PRO

GPU Variant

Navi 33 XT

GCN 2.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

2.08 billion

Transistors

13.3 billion

160 mm²

Die Size

204 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

2.2

1.2

Vulkan

1.3

-

6.3

Shader Model

6.7

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