AMD Radeon HD 7730M vs NVIDIA GeForce 840M

VS

AMD Radeon HD 7730M

NVIDIA GeForce 840M

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

Main Differences

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)

NVIDIA GeForce 840M 's Advantages

Released 1 years and 11 months late

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

Score

Benchmark

FP32 (float)

Radeon HD 7730M

0.691 TFLOPS

GeForce 840M +24%

0.863 TFLOPS

Radeon HD 7730M

VS

GeForce 840M

Graphics Card

Apr 2012

Release Date

Mar 2014

London

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

575 MHz

Base Clock

1029 MHz

675 MHz

Boost Clock

1124 MHz

900 MHz

Memory Clock

1001 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

16.02GB/s

Render Config

8

Compute Units

-

512

Shading Units

384

32

TMUs

16

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

8.992 GPixel/s

21.60 GTexel/s

Texture Rate

17.98 GTexel/s

-

691.2 GFLOPS

FP32 (float)

863.2 GFLOPS

43.20 GFLOPS

FP64 (double)

26.98 GFLOPS

Board Design

25W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Chelsea

GPU Name

GM108

Chelsea LE (216-0834065)

GPU Variant

N15S-GT

GCN 1.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

Unknown

123 mm²

Die Size

Unknown

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.0

5.1

Shader Model

5.1

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