AMD Radeon E8870 vs AMD Radeon HD 6490M

VS

AMD Radeon E8870

AMD Radeon HD 6490M

We compared two Mobile platform GPUs: 4GB VRAM Radeon E8870 and 512MB VRAM Radeon HD 6490M 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 512GB)

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

608 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E8870 +500%

1.536 TFLOPS

Radeon HD 6490M

0.256 TFLOPS

Radeon E8870

VS

Radeon HD 6490M

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

-

1500 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

25.60GB/s

Render Config

12

Compute Units

2

-

768

Shading Units

160

48

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

3.200 GPixel/s

48.00 GTexel/s

Texture Rate

6.400 GTexel/s

-

1.536 TFLOPS

FP32 (float)

256.0 GFLOPS

96.00 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Saturn

GPU Name

Seymour

Saturn PRO

GPU Variant

Seymour XTX S3 (216-0809024)

GCN 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.08 billion

Transistors

0.37 billion

160 mm²

Die Size

67 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.3

Shader Model

5.0

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