AMD Radeon E8870 vs AMD Radeon R7 A265

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon E8870 and 2GB VRAM Radeon R7 A265 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8870 's Advantages

Released 1 years and 8 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (96.00GB/s vs 28.80GB/s)

384 additional rendering cores

AMD Radeon R7 A265 's Advantages

Boost Clock825MHz

Score

Benchmark

FP32 (float)

Radeon E8870 +142%

1.536 TFLOPS

Radeon R7 A265

0.633 TFLOPS

Radeon E8870

VS

Radeon R7 A265

Graphics Card

Sep 2015

Release Date

Jan 2014

Embedded

Generation

All-In-One

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

725 MHz

-

Boost Clock

825 MHz

1500 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

12

Compute Units

6

768

Shading Units

384

48

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

16.00 GPixel/s

Pixel Rate

6.600 GPixel/s

48.00 GTexel/s

Texture Rate

19.80 GTexel/s

-

FP16 (half)

-

1.536 TFLOPS

FP32 (float)

633.6 GFLOPS

96.00 GFLOPS

FP64 (double)

39.60 GFLOPS

Graphics Processor

Saturn

GPU Name

Opal

Saturn PRO

GPU Variant

Opal XT

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

0.95 billion

160 mm²

Die Size

77 mm²

Board Design

75W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

CUDA

-

6.3

Shader Model

6.5 (5.1)

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