NVIDIA GeForce 840M vs AMD Radeon HD 7730M

VS

NVIDIA GeForce 840M

AMD Radeon HD 7730M

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840M and 2GB VRAM Radeon HD 7730M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840M 's Advantages

Released 1 years and 11 months late

Boost Clock has increased by 67% (1124MHz vs 675MHz)

AMD Radeon HD 7730M 's Advantages

Larger VRAM bandwidth (28.80GB/s vs 16.02GB/s)

128 additional rendering cores

Lower TDP (25W vs 33W)

Score

Benchmark

FP32 (float)

GeForce 840M +24%

0.863 TFLOPS

Radeon HD 7730M

0.691 TFLOPS

GeForce 840M

VS

Radeon HD 7730M

Graphics Card

Mar 2014

Release Date

Apr 2012

GeForce 800M

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1029 MHz

Base Clock

575 MHz

1124 MHz

Boost Clock

675 MHz

1001 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

28.80GB/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

256 KB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

10.80 GPixel/s

17.98 GTexel/s

Texture Rate

21.60 GTexel/s

-

863.2 GFLOPS

FP32 (float)

691.2 GFLOPS

26.98 GFLOPS

FP64 (double)

43.20 GFLOPS

Board Design

33W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM108

GPU Name

Chelsea

N15S-GT

GPU Variant

Chelsea LE (216-0834065)

Maxwell

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

1.5 billion

Unknown

Die Size

123 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

5.0

CUDA

-

5.1

Shader Model

5.1

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