AMD Radeon E8870 vs NVIDIA GeForce 705A

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We compared two Mobile platform GPUs: 4GB VRAM Radeon E8870 and 1024MB VRAM GeForce 705A 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 2 months late

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (96.00GB/s vs 14.40GB/s)

720 additional rendering cores

NVIDIA GeForce 705A 's Advantages

Lower TDP (15W vs 75W)

Score

Benchmark

FP32 (float)

Radeon E8870 +1587%

1.536 TFLOPS

GeForce 705A

0.091 TFLOPS

Radeon E8870

VS

GeForce 705A

Graphics Card

Sep 2015

Release Date

Jul 2014

Embedded

Generation

GeForce 700A

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1500 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

1

12

Compute Units

-

768

Shading Units

48

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

128 KB

Theoretical Performance

16.00 GPixel/s

Pixel Rate

950.0 MPixel/s

48.00 GTexel/s

Texture Rate

3.800 GTexel/s

-

FP16 (half)

-

1.536 TFLOPS

FP32 (float)

91.20 GFLOPS

96.00 GFLOPS

FP64 (double)

7.600 GFLOPS

Graphics Processor

Saturn

GPU Name

GF119

Saturn PRO

GPU Variant

GF119 B1

GCN 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.08 billion

Transistors

0.292 billion

160 mm²

Die Size

79 mm²

Board Design

75W

TDP

15W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.3

Shader Model

5.1

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