ATI Mobility Radeon HD 3870 vs AMD Radeon E9390 PCIe

VS

ATI Mobility Radeon HD 3870 AMD Radeon E9390 PCIe

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

Main Differences

ATI Mobility Radeon HD 3870 's Advantages

Lower TDP (55W vs 75W)

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

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3870

0.422 TFLOPS

Radeon E9390 PCIe +824%

3.903 TFLOPS

Mobility Radeon HD 3870

VS

Radeon E9390 PCIe

Graphics Card

Jun 2008

Release Date

Oct 2019

M8x

Generation

Embedded

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

713 MHz

-

Boost Clock

1089 MHz

850 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

8GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

256bit

54.40GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

4

Compute Units

28

320

Shading Units

1792

16

TMUs

112

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

Theoretical Performance

10.56 GPixel/s

Pixel Rate

34.85 GPixel/s

10.56 GTexel/s

Texture Rate

122.0 GTexel/s

-

FP16 (half)

3.903 TFLOPS

422.4 GFLOPS

FP32 (float)

3.903 TFLOPS

84.48 GFLOPS

FP64 (double)

243.9 GFLOPS

Graphics Processor

M88

GPU Name

Ellesmere

-

GPU Variant

-

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

55 nm

Process Size

14 nm

0.666 billion

Transistors

5.7 billion

192 mm²

Die Size

232 mm²

Board Design

55W

TDP

75W

-

Suggested PSU

-

No outputs

Outputs

4x DisplayPort 1.4a

-

Power Connectors

None

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.2

-

CUDA

-

4.1

Shader Model

6.4

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