AMD Radeon RX 640 Mobile vs NVIDIA GeForce 615

VS

AMD Radeon RX 640 Mobile

NVIDIA GeForce 615

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 1024MB VRAM GeForce 615 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 7 years late

Boost Clock1218MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (48.00GB/s vs 28.80GB/s)

592 additional rendering cores

NVIDIA GeForce 615 's Advantages

Lower TDP (49W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 640 Mobile +1127%

1.559 TFLOPS

GeForce 615

0.127 TFLOPS

Radeon RX 640 Mobile

VS

GeForce 615

Graphics Card

May 2019

Release Date

May 2012

Mobility Radeon

Generation

GeForce 600A

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1082 MHz

Base Clock

-

1218 MHz

Boost Clock

-

1500 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

28.80GB/s

Render Config

10

Compute Units

-

SM Count

1

640

Shading Units

48

40

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

19.49 GPixel/s

Pixel Rate

1.320 GPixel/s

48.72 GTexel/s

Texture Rate

5.280 GTexel/s

1.559 TFLOPS

FP16 (half)

-

1.559 TFLOPS

FP32 (float)

126.7 GFLOPS

97.44 GFLOPS

FP64 (double)

10.56 GFLOPS

Board Design

50W

TDP

49W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 23

GPU Name

GF108

Polaris 23 XT

GPU Variant

-

GCN 4.0

Architecture

Fermi

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

2.2 billion

Transistors

0.585 billion

103 mm²

Die Size

116 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.4

Shader Model

5.1

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