NVIDIA GeForce GT 640M vs AMD Radeon R9 M290X

VS

NVIDIA GeForce GT 640M AMD Radeon R9 M290X

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 640M and 4GB VRAM Radeon R9 M290X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640M 's Advantages

Lower TDP (32W vs 100W)

AMD Radeon R9 M290X 's Advantages

Released 1 years and 10 months late

Boost Clock900MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (153.6GB/s vs 28.80GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640M

0.48 TFLOPS

Radeon R9 M290X +380%

2.304 TFLOPS

GeForce GT 640M

VS

Radeon R9 M290X

Graphics Card

Mar 2012

Release Date

Jan 2014

GeForce 600M

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

900 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

153.6GB/s

Render Config

-

SM Count

-

Compute Units

20

384

Shading Units

1280

32

TMUs

80

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

5.000 GPixel/s

Pixel Rate

28.80 GPixel/s

20.00 GTexel/s

Texture Rate

72.00 GTexel/s

-

FP16 (half)

-

480.0 GFLOPS

FP32 (float)

2.304 TFLOPS

20.00 GFLOPS

FP64 (double)

144.0 GFLOPS

Graphics Processor

GK107

GPU Name

Neptune

N13P-GS

GPU Variant

Neptune XT (216-0847000)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

2.8 billion

118 mm²

Die Size

212 mm²

Board Design

32W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

5.1

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