AMD Radeon E9390 PCIe vs ATI Mobility Radeon HD 3870

VS

AMD Radeon E9390 PCIe ATI Mobility Radeon HD 3870

We compared two Mobile platform GPUs: 8GB VRAM Radeon E9390 PCIe and 512MB VRAM Mobility Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E9390 PCIe 's Advantages

Released 11 years and 4 months late

Boost Clock1089MHz

Larger VRAM bandwidth (160.0GB/s vs 54.40GB/s)

1472 additional rendering cores

ATI Mobility Radeon HD 3870 's Advantages

Lower TDP (55W vs 75W)

Score

Benchmark

FP32 (float)

Radeon E9390 PCIe +824%

3.903 TFLOPS

Mobility Radeon HD 3870

0.422 TFLOPS

Radeon E9390 PCIe

VS

Mobility Radeon HD 3870

Graphics Card

Oct 2019

Release Date

Jun 2008

Embedded

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

713 MHz

Base Clock

-

1089 MHz

Boost Clock

-

1250 MHz

Memory Clock

850 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

54.40GB/s

Render Config

-

SM Count

-

28

Compute Units

4

1792

Shading Units

320

112

TMUs

16

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

2 MB

L2 Cache

256 KB

Theoretical Performance

34.85 GPixel/s

Pixel Rate

10.56 GPixel/s

122.0 GTexel/s

Texture Rate

10.56 GTexel/s

3.903 TFLOPS

FP16 (half)

-

3.903 TFLOPS

FP32 (float)

422.4 GFLOPS

243.9 GFLOPS

FP64 (double)

84.48 GFLOPS

Graphics Processor

Ellesmere

GPU Name

M88

-

GPU Variant

-

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

5.7 billion

Transistors

0.666 billion

232 mm²

Die Size

192 mm²

Board Design

75W

TDP

55W

-

Suggested PSU

-

4x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

4.1

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