AMD Radeon E8870 vs NVIDIA GeForce 845M

VS

AMD Radeon E8870

NVIDIA GeForce 845M

We compared two Mobile platform GPUs: 4GB VRAM Radeon E8870 and 2GB VRAM GeForce 845M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8870 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (96.00GB/s vs 40.10GB/s)

384 additional rendering cores

NVIDIA GeForce 845M 's Advantages

Boost Clock1176MHz

Lower TDP (33W vs 75W)

Score

Benchmark

FP32 (float)

Radeon E8870 +70%

1.536 TFLOPS

GeForce 845M

0.903 TFLOPS

Radeon E8870

VS

GeForce 845M

Graphics Card

Sep 2015

Release Date

Aug 2015

Embedded

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1071 MHz

-

Boost Clock

1176 MHz

1500 MHz

Memory Clock

1253 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

40.10GB/s

Render Config

12

Compute Units

-

768

Shading Units

384

48

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

18.82 GPixel/s

48.00 GTexel/s

Texture Rate

37.63 GTexel/s

-

1.536 TFLOPS

FP32 (float)

903.2 GFLOPS

96.00 GFLOPS

FP64 (double)

28.22 GFLOPS

Board Design

75W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Saturn

GPU Name

GM108

Saturn PRO

GPU Variant

-

GCN 2.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

Unknown

160 mm²

Die Size

Unknown

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.0

6.3

Shader Model

5.1

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