AMD Radeon E8870 vs AMD Radeon HD 6850M

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon E8870 and 1024MB VRAM Radeon HD 6850M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8870 's Advantages

Released 4 years and 8 months late

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (96.00GB/s vs 25.60GB/s)

AMD Radeon HD 6850M 's Advantages

32 additional rendering cores

Lower TDP (50W vs 75W)

Score

Benchmark

FP32 (float)

Radeon E8870 +42%

1.536 TFLOPS

Radeon HD 6850M

1.08 TFLOPS

Radeon E8870

VS

Radeon HD 6850M

Graphics Card

Sep 2015

Release Date

Jan 2011

Embedded

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1500 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

12

Compute Units

10

768

Shading Units

800

48

TMUs

40

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

16.00 GPixel/s

Pixel Rate

10.80 GPixel/s

48.00 GTexel/s

Texture Rate

27.00 GTexel/s

-

FP16 (half)

-

1.536 TFLOPS

FP32 (float)

1080 GFLOPS

96.00 GFLOPS

FP64 (double)

-

Graphics Processor

Saturn

GPU Name

Granville

Saturn PRO

GPU Variant

Granville PRO

GCN 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.08 billion

Transistors

1.04 billion

160 mm²

Die Size

166 mm²

Board Design

75W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

5.0

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