AMD Radeon RX 640 Mobile vs NVIDIA GeForce GTX 965M

VS

AMD Radeon RX 640 Mobile

NVIDIA GeForce GTX 965M

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 2GB VRAM GeForce GTX 965M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 640 Mobile 's Advantages

Released 3 years and 4 months late

Boost Clock has increased by 6% (1218MHz vs 1150MHz)

NVIDIA GeForce GTX 965M 's Advantages

Larger VRAM bandwidth (80.19GB/s vs 48.00GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 640 Mobile

1.559 TFLOPS

GeForce GTX 965M +51%

2.355 TFLOPS

Radeon RX 640 Mobile

VS

GeForce GTX 965M

Graphics Card

May 2019

Release Date

Jan 2016

Mobility Radeon

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

1082 MHz

Base Clock

935 MHz

1218 MHz

Boost Clock

1150 MHz

1500 MHz

Memory Clock

1253 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

80.19GB/s

Render Config

10

Compute Units

-

640

Shading Units

1024

40

TMUs

64

16

ROPs

32

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

19.49 GPixel/s

Pixel Rate

36.80 GPixel/s

48.72 GTexel/s

Texture Rate

73.60 GTexel/s

1.559 TFLOPS

FP16 (half)

-

1.559 TFLOPS

FP32 (float)

2.355 TFLOPS

97.44 GFLOPS

FP64 (double)

73.60 GFLOPS

Board Design

50W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Polaris 23

GPU Name

GM206S

Polaris 23 XT

GPU Variant

N16E-GR-A1

GCN 4.0

Architecture

Maxwell 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

2.94 billion

103 mm²

Die Size

228 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.2

6.4

Shader Model

6.7

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