NVIDIA GeForce 840A vs AMD Radeon E9175 PCIe

VS

NVIDIA GeForce 840A

AMD Radeon E9175 PCIe

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840A and 4GB VRAM Radeon E9175 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840A 's Advantages

Lower TDP (33W vs 50W)

AMD Radeon E9175 PCIe 's Advantages

Released 3 years and 7 months late

Boost Clock has increased by 8% (1219MHz vs 1124MHz)

More VRAM (4GB vs 2GB)

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

128 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 840A

0.863 TFLOPS

Radeon E9175 PCIe +44%

1.248 TFLOPS

GeForce 840A

VS

Radeon E9175 PCIe

Graphics Card

Mar 2014

Release Date

Oct 2017

GeForce 800A

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1029 MHz

Base Clock

1124 MHz

Boost Clock

1219 MHz

1001 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

96.00GB/s

Render Config

-

Compute Units

8

-

384

Shading Units

512

16

TMUs

32

8

ROPs

16

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

19.50 GPixel/s

17.98 GTexel/s

Texture Rate

39.01 GTexel/s

-

FP16 (half)

1248 GFLOPS

863.2 GFLOPS

FP32 (float)

1248 GFLOPS

26.98 GFLOPS

FP64 (double)

78.02 GFLOPS

Board Design

33W

TDP

50W

-

No outputs

Outputs

5x mini-DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

Lexa

-

GPU Variant

E9170

Maxwell

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

Unknown

Transistors

2.2 billion

Unknown

Die Size

103 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

5.0

CUDA

-

5.1

Shader Model

6.4

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