ATI Mobility Radeon HD 4860 vs AMD Radeon E8870

VS

ATI Mobility Radeon HD 4860

AMD Radeon E8870

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4860 and 4GB VRAM Radeon E8870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8870 's Advantages

Released 6 years and 6 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (96.00GB/s vs 64.00GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4860

0.832 TFLOPS

Radeon E8870 +84%

1.536 TFLOPS

Mobility Radeon HD 4860

VS

Radeon E8870

Graphics Card

Mar 2009

Release Date

Sep 2015

M9x

Generation

Embedded

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1000 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

96.00GB/s

Render Config

8

Compute Units

12

-

640

Shading Units

768

32

TMUs

48

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

10.40 GPixel/s

Pixel Rate

16.00 GPixel/s

20.80 GTexel/s

Texture Rate

48.00 GTexel/s

-

832.0 GFLOPS

FP32 (float)

1.536 TFLOPS

166.4 GFLOPS

FP64 (double)

96.00 GFLOPS

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

M97

GPU Name

Saturn

M97 M2 XT (216-0731000)

GPU Variant

Saturn PRO

TeraScale

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.826 billion

Transistors

2.08 billion

137 mm²

Die Size

160 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

-

4.1

Shader Model

6.3

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