ATI Mobility Radeon HD 3870 vs AMD Radeon E9173 PCIe

VS

ATI Mobility Radeon HD 3870

AMD Radeon E9173 PCIe

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3870 and 2GB VRAM Radeon E9173 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

Larger VRAM bandwidth (54.40GB/s vs 48.00GB/s)

AMD Radeon E9173 PCIe 's Advantages

Released 9 years and 4 months late

Boost Clock1219MHz

More VRAM (2GB vs 512GB)

192 additional rendering cores

Lower TDP (35W vs 55W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3870

0.422 TFLOPS

Radeon E9173 PCIe +195%

1.248 TFLOPS

Mobility Radeon HD 3870

VS

Radeon E9173 PCIe

Graphics Card

Jun 2008

Release Date

Oct 2017

M8x

Generation

Embedded

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1124 MHz

-

Boost Clock

1219 MHz

850 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

64bit

54.40GB/s

Bandwidth

48.00GB/s

Render Config

4

Compute Units

8

-

320

Shading Units

512

16

TMUs

32

16

ROPs

16

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

10.56 GPixel/s

Pixel Rate

19.50 GPixel/s

10.56 GTexel/s

Texture Rate

39.01 GTexel/s

-

FP16 (half)

1248 GFLOPS

422.4 GFLOPS

FP32 (float)

1248 GFLOPS

84.48 GFLOPS

FP64 (double)

78.02 GFLOPS

Board Design

55W

TDP

35W

-

No outputs

Outputs

1x DisplayPort 1.4a 2x mini-DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

M88

GPU Name

Lexa

-

GPU Variant

E9170

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

55 nm

Process Size

14 nm

0.666 billion

Transistors

2.2 billion

192 mm²

Die Size

103 mm²

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

-

4.1

Shader Model

6.4

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