AMD Radeon E8870 vs NVIDIA GeForce 920A

VS

AMD Radeon E8870

NVIDIA GeForce 920A

We compared two Mobile platform GPUs: 4GB VRAM Radeon E8870 and 2GB VRAM GeForce 920A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8870 's Advantages

Released 6 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (96.00GB/s vs 16.02GB/s)

384 additional rendering cores

NVIDIA GeForce 920A 's Advantages

Lower TDP (33W vs 75W)

Score

Benchmark

FP32 (float)

Radeon E8870 +109%

1.536 TFLOPS

GeForce 920A

0.733 TFLOPS

Radeon E8870

VS

GeForce 920A

Graphics Card

Sep 2015

Release Date

Mar 2015

Embedded

Generation

GeForce 900A

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

1500 MHz

Memory Clock

1001 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

16.02GB/s

Render Config

12

Compute Units

-

768

Shading Units

384

48

TMUs

32

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

7.632 GPixel/s

48.00 GTexel/s

Texture Rate

30.53 GTexel/s

-

1.536 TFLOPS

FP32 (float)

732.7 GFLOPS

96.00 GFLOPS

FP64 (double)

30.53 GFLOPS

Board Design

75W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Saturn

GPU Name

GK208B

Saturn PRO

GPU Variant

N16V-GM

GCN 2.0

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

1.02 billion

160 mm²

Die Size

87 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.5

6.3

Shader Model

5.1

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