AMD Radeon E6465 vs NVIDIA GeForce 840M

VS

AMD Radeon E6465

NVIDIA GeForce 840M

We compared two Mobile platform GPUs: 2GB VRAM Radeon E6465 and 2GB VRAM GeForce 840M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E6465 's Advantages

Released 1 years and 6 months late

Larger VRAM bandwidth (25.60GB/s vs 16.02GB/s)

Lower TDP (25W vs 33W)

NVIDIA GeForce 840M 's Advantages

Boost Clock1124MHz

224 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E6465

0.192 TFLOPS

GeForce 840M +349%

0.863 TFLOPS

Radeon E6465

VS

GeForce 840M

Graphics Card

Sep 2015

Release Date

Mar 2014

Embedded

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1029 MHz

-

Boost Clock

1124 MHz

800 MHz

Memory Clock

1001 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

25.60GB/s

Bandwidth

16.02GB/s

Render Config

2

Compute Units

-

160

Shading Units

384

8

TMUs

16

4

ROPs

8

-

8 KB (per CU)

L1 Cache

64 KB (per SMM)

128 KB

L2 Cache

1024 KB

-

Theoretical Performance

2.400 GPixel/s

Pixel Rate

8.992 GPixel/s

4.800 GTexel/s

Texture Rate

17.98 GTexel/s

-

192.0 GFLOPS

FP32 (float)

863.2 GFLOPS

-

FP64 (double)

26.98 GFLOPS

Board Design

25W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Caicos

GPU Name

GM108

-

GPU Variant

N15S-GT

TeraScale 2

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

Unknown

67 mm²

Die Size

Unknown

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

Shader Model

5.1

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