AMD Radeon RX 640 Mobile vs NVIDIA GeForce GT 640M Mac Edition

VS

AMD Radeon RX 640 Mobile

NVIDIA GeForce GT 640M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 512MB VRAM GeForce GT 640M Mac Edition 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 6 years and 3 months late

Boost Clock1218MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (48.00GB/s vs 40.00GB/s)

256 additional rendering cores

NVIDIA GeForce GT 640M Mac Edition 's Advantages

Lower TDP (32W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 640 Mobile +172%

1.559 TFLOPS

GeForce GT 640M Mac Edition

0.572 TFLOPS

Radeon RX 640 Mobile

VS

GeForce GT 640M Mac Edition

Graphics Card

May 2019

Release Date

Feb 2013

Mobility Radeon

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1082 MHz

Base Clock

-

1218 MHz

Boost Clock

-

1500 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

64bit

48.00GB/s

Bandwidth

40.00GB/s

Render Config

10

Compute Units

-

640

Shading Units

384

40

TMUs

32

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

19.49 GPixel/s

Pixel Rate

5.960 GPixel/s

48.72 GTexel/s

Texture Rate

23.84 GTexel/s

1.559 TFLOPS

FP16 (half)

-

1.559 TFLOPS

FP32 (float)

572.2 GFLOPS

97.44 GFLOPS

FP64 (double)

23.84 GFLOPS

Board Design

50W

TDP

32W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 23

GPU Name

GK107

Polaris 23 XT

GPU Variant

N13P-GS

GCN 4.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

1.27 billion

103 mm²

Die Size

118 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.4

Shader Model

5.1

Related GPU Comparisons

1

AMD Radeon RX 640 Mobile vs AMD Radeon RX 580 Mobile

2

AMD Radeon RX 640 Mobile vs AMD Radeon R5 A255

3

AMD Radeon RX 640 Mobile vs NVIDIA GeForce GTX 660M

4

AMD Radeon RX 640 Mobile vs AMD Radeon HD 7690M

5

AMD Radeon RX 640 Mobile vs AMD Radeon E9260 PCIe

6

AMD Radeon RX 640 Mobile vs NVIDIA GeForce RTX 3050 Max-Q Refresh

7

AMD Radeon RX 640 Mobile vs NVIDIA GeForce GTX 1050 Mobile 3 GB

8

AMD Radeon RX 640 Mobile vs AMD Radeon Pro 570

9

AMD Radeon RX 640 Mobile vs NVIDIA GeForce GTX 1080 Mobile

10

AMD Radeon RX 640 Mobile vs AMD Radeon R9 M390X

Related News

1

AMD's Thunderous Strike: Ryzen 9 9950X3D Performance Scores Revealed for the First Time!

2

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

3

NVIDIA GB202 Chip Unveiled for the First Time, to be Used in RTX 5090 with 512-bit GDDR7 Memory

4

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

5

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

6

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

7

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

8

CXMT Reportedly Achieves 80% Yield in DDR5 Production

9

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

10

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market