AMD Radeon E8870 vs NVIDIA GeForce RTX 4090 Mobile

VS

AMD Radeon E8870 NVIDIA GeForce RTX 4090 Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon E8870 and 16GB VRAM GeForce RTX 4090 Mobile 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 120W)

NVIDIA GeForce RTX 4090 Mobile 's Advantages

Released 7 years and 4 months late

Boost Clock1695MHz

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (576.0GB/s vs 96.00GB/s)

8960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E8870

1.536 TFLOPS

GeForce RTX 4090 Mobile +2047%

32.98 TFLOPS

Radeon E8870

VS

GeForce RTX 4090 Mobile

Graphics Card

Sep 2015

Release Date

Jan 2023

Embedded

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1335 MHz

-

Boost Clock

1695 MHz

1500 MHz

Memory Clock

2250 MHz

Memory

4GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

576.0GB/s

Render Config

-

SM Count

76

12

Compute Units

-

768

Shading Units

9728

48

TMUs

304

16

ROPs

112

-

Tensor Cores

304

-

RT Cores

76

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

64 MB

Theoretical Performance

16.00 GPixel/s

Pixel Rate

189.8 GPixel/s

48.00 GTexel/s

Texture Rate

515.3 GTexel/s

-

FP16 (half)

32.98 TFLOPS

1.536 TFLOPS

FP32 (float)

32.98 TFLOPS

96.00 GFLOPS

FP64 (double)

515.3 GFLOPS

Graphics Processor

Saturn

GPU Name

AD103

Saturn PRO

GPU Variant

GN21-X11

GCN 2.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

2.08 billion

Transistors

45.9 billion

160 mm²

Die Size

379 mm²

Board Design

75W

TDP

120W

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.9

6.3

Shader Model

6.7

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