NVIDIA GeForce 820M vs AMD Radeon E8870

VS

We compared two Mobile platform GPUs: 2GB VRAM GeForce 820M and 4GB VRAM Radeon E8870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 820M 's Advantages

Lower TDP (45W vs 75W)

AMD Radeon E8870 's Advantages

Released 6 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (96.00GB/s vs 28.83GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 820M

0.622 TFLOPS

Radeon E8870 +146%

1.536 TFLOPS

GeForce 820M

VS

Radeon E8870

Graphics Card

Mar 2015

Release Date

Sep 2015

GeForce 800M

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

901 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.83GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

-

Compute Units

12

384

Shading Units

768

32

TMUs

48

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

6.480 GPixel/s

Pixel Rate

16.00 GPixel/s

25.92 GTexel/s

Texture Rate

48.00 GTexel/s

-

FP16 (half)

-

622.1 GFLOPS

FP32 (float)

1.536 TFLOPS

25.92 GFLOPS

FP64 (double)

96.00 GFLOPS

Graphics Processor

GK107

GPU Name

Saturn

-

GPU Variant

Saturn PRO

Kepler

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

2.08 billion

118 mm²

Die Size

160 mm²

Board Design

45W

TDP

75W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.3

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