NVIDIA GeForce 8400M GS vs AMD Radeon RX 640 Mobile

VS

NVIDIA GeForce 8400M GS

AMD Radeon RX 640 Mobile

We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M GS and 2GB VRAM Radeon RX 640 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400M GS 's Advantages

Lower TDP (11W vs 50W)

AMD Radeon RX 640 Mobile 's Advantages

Released 12 years late

Boost Clock1218MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (48.00GB/s vs 6.400GB/s)

624 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400M GS

0.026 TFLOPS

Radeon RX 640 Mobile +5896%

1.559 TFLOPS

GeForce 8400M GS

VS

Radeon RX 640 Mobile

Graphics Card

May 2007

Release Date

May 2019

GeForce 8M

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-I

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1082 MHz

-

Boost Clock

1218 MHz

400 MHz

Memory Clock

1500 MHz

Memory

256MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

64bit

6.400GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

2

SM Count

-

16

Shading Units

640

8

TMUs

40

4

ROPs

16

-

L1 Cache

16 KB (per CU)

16 KB

L2 Cache

512 KB

-

Theoretical Performance

1.600 GPixel/s

Pixel Rate

19.49 GPixel/s

3.200 GTexel/s

Texture Rate

48.72 GTexel/s

-

FP16 (half)

1.559 TFLOPS

25.60 GFLOPS

FP32 (float)

1.559 TFLOPS

-

FP64 (double)

97.44 GFLOPS

Board Design

11W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

G86

GPU Name

Polaris 23

NB8M-GS

GPU Variant

Polaris 23 XT

Tesla

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

80 nm

Process Size

14 nm

0.21 billion

Transistors

2.2 billion

127 mm²

Die Size

103 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2

1.1

CUDA

-

4.0

Shader Model

6.4

Related GPU Comparisons

1

NVIDIA GeForce 8400M GS vs AMD Radeon RX 6700M

2

NVIDIA GeForce 8400M GS vs NVIDIA Quadro FX Go540

3

NVIDIA GeForce 8400M GS vs NVIDIA NVS 4200M

4

NVIDIA GeForce 8400M GS vs NVIDIA GeForce GT 330M

5

NVIDIA GeForce 8400M GS vs NVIDIA GeForce RTX 2060 Mobile

6

NVIDIA GeForce 8400M GS vs ATI Mobility Radeon HD 4670

7

NVIDIA GeForce 8400M GS vs NVIDIA GeForce GTX 485M

8

NVIDIA GeForce 8400M GS vs AMD Radeon HD 6870M

9

NVIDIA GeForce 8400M GS vs NVIDIA GeForce 810M

10

NVIDIA GeForce 8400M GS vs AMD Radeon RX 5500M

Related News

1

CXMT Reportedly Achieves 80% Yield in DDR5 Production

2

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

3

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

4

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

5

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

6

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

7

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

8

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

9

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

10

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage