AMD Radeon E8870 vs NVIDIA GeForce GT 420M

VS

AMD Radeon E8870

NVIDIA GeForce GT 420M

We compared two Mobile platform GPUs: 4GB VRAM Radeon E8870 and 512MB VRAM GeForce GT 420M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8870 's Advantages

Released 5 years late

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 25.60GB/s)

672 additional rendering cores

NVIDIA GeForce GT 420M 's Advantages

Lower TDP (23W vs 75W)

Score

Benchmark

FP32 (float)

Radeon E8870 +700%

1.536 TFLOPS

GeForce GT 420M

0.192 TFLOPS

Radeon E8870

VS

GeForce GT 420M

Graphics Card

Sep 2015

Release Date

Sep 2010

Embedded

Generation

GeForce 400M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

25.60GB/s

Render Config

12

Compute Units

-

SM Count

2

768

Shading Units

96

48

TMUs

16

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

2.000 GPixel/s

48.00 GTexel/s

Texture Rate

8.000 GTexel/s

-

1.536 TFLOPS

FP32 (float)

192.0 GFLOPS

96.00 GFLOPS

FP64 (double)

16.00 GFLOPS

Board Design

75W

TDP

23W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Saturn

GPU Name

GF108

Saturn PRO

GPU Variant

N11P-GE-A1

GCN 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.08 billion

Transistors

0.585 billion

160 mm²

Die Size

116 mm²

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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