NVIDIA GeForce 840M vs AMD Radeon HD 7470M

VS

NVIDIA GeForce 840M

AMD Radeon HD 7470M

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840M and 1024MB VRAM Radeon HD 7470M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840M 's Advantages

Released 2 years and 2 months late

Boost Clock has increased by 40% (1124MHz vs 800MHz)

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (16.02GB/s vs 14.40GB/s)

224 additional rendering cores

AMD Radeon HD 7470M 's Advantages

Lower TDP (25W vs 33W)

Score

Benchmark

FP32 (float)

GeForce 840M +237%

0.863 TFLOPS

Radeon HD 7470M

0.256 TFLOPS

GeForce 840M

VS

Radeon HD 7470M

Graphics Card

Mar 2014

Release Date

Jan 2012

GeForce 800M

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1029 MHz

Base Clock

750 MHz

1124 MHz

Boost Clock

800 MHz

1001 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

16.02GB/s

Bandwidth

14.40GB/s

Render Config

-

Compute Units

2

-

384

Shading Units

160

16

TMUs

8

ROPs

4

-

64 KB (per SMM)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

128 KB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

3.200 GPixel/s

17.98 GTexel/s

Texture Rate

6.400 GTexel/s

-

863.2 GFLOPS

FP32 (float)

256.0 GFLOPS

26.98 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM108

GPU Name

Seymour

N15S-GT

GPU Variant

Seymour XT (216-0810084)

Maxwell

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

Unknown

Transistors

0.37 billion

Unknown

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

5.0

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