AMD Radeon E8870 vs AMD Radeon R9 M275X

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon E8870 and 2GB VRAM Radeon R9 M275X 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 72.00GB/s)

128 additional rendering cores

AMD Radeon R9 M275X 's Advantages

Boost Clock925MHz

Score

Benchmark

FP32 (float)

Radeon E8870 +29%

1.536 TFLOPS

Radeon R9 M275X

1.184 TFLOPS

Radeon E8870

VS

Radeon R9 M275X

Graphics Card

Sep 2015

Release Date

Jan 2014

Embedded

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

925 MHz

1500 MHz

Memory Clock

1125 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

72.00GB/s

Render Config

-

SM Count

-

12

Compute Units

10

768

Shading Units

640

48

TMUs

40

16

ROPs

16

-

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

14.80 GPixel/s

48.00 GTexel/s

Texture Rate

37.00 GTexel/s

-

FP16 (half)

-

1.536 TFLOPS

FP32 (float)

1184 GFLOPS

96.00 GFLOPS

FP64 (double)

74.00 GFLOPS

Graphics Processor

Saturn

GPU Name

Venus

Saturn PRO

GPU Variant

Venus XTX (216-0846033)

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

1.5 billion

160 mm²

Die Size

123 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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