NVIDIA GeForce GT 640M vs AMD Radeon R5 M315

VS

NVIDIA GeForce GT 640M AMD Radeon R5 M315

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 640M and 2GB VRAM Radeon R5 M315 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640M 's Advantages

Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)

AMD Radeon R5 M315 's Advantages

Released 3 years and 2 months late

Score

Benchmark

FP32 (float)

GeForce GT 640M

0.48 TFLOPS

Radeon R5 M315 +55%

0.745 TFLOPS

GeForce GT 640M

VS

Radeon R5 M315

Graphics Card

Mar 2012

Release Date

May 2015

GeForce 600M

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

Compute Units

6

384

Shading Units

384

32

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

5.000 GPixel/s

Pixel Rate

7.760 GPixel/s

20.00 GTexel/s

Texture Rate

23.28 GTexel/s

-

FP16 (half)

745.0 GFLOPS

480.0 GFLOPS

FP32 (float)

745.0 GFLOPS

20.00 GFLOPS

FP64 (double)

46.56 GFLOPS

Graphics Processor

GK107

GPU Name

Meso

N13P-GS

GPU Variant

Meso LE (216-0864046)

Kepler

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

1.55 billion

118 mm²

Die Size

125 mm²

Board Design

32W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2.170

3.0

CUDA

-

5.1

Shader Model

6.5

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