ATI Mobility Radeon HD 4850 X2 vs NVIDIA GeForce GT 640M LE

VS

ATI Mobility Radeon HD 4850 X2

NVIDIA GeForce GT 640M LE

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4850 X2 and 2GB VRAM GeForce GT 640M LE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4850 X2 's Advantages

Larger VRAM bandwidth (89.60GB/s vs 50.24GB/s)

704 additional rendering cores

NVIDIA GeForce GT 640M LE 's Advantages

Released 3 years and 4 months late

More VRAM (2GB vs 1024GB)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4850 X2 +176%

0.8 TFLOPS

GeForce GT 640M LE

0.289 TFLOPS

Mobility Radeon HD 4850 X2

VS

GeForce GT 640M LE

Graphics Card

Jan 2009

Release Date

May 2012

M9x

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

700 MHz

Memory Clock

785 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

89.60GB/s

Bandwidth

50.24GB/s

Render Config

10

Compute Units

-

SM Count

2

800

Shading Units

96

40

TMUs

16

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

3.012 GPixel/s

20.00 GTexel/s

Texture Rate

12.05 GTexel/s

-

800.0 GFLOPS

FP32 (float)

289.0 GFLOPS

160.0 GFLOPS

FP64 (double)

24.08 GFLOPS

Board Design

Unknown

TDP

32W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

M98

GPU Name

GF108

M98 L2 (216-0732019)

GPU Variant

-

TeraScale

Architecture

Fermi

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.956 billion

Transistors

0.585 billion

256 mm²

Die Size

116 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.1

Shader Model

5.1

Related GPU Comparisons

1

ATI Mobility Radeon HD 4850 X2 vs NVIDIA GeForce GTX 950A

2

ATI Mobility Radeon HD 4850 X2 vs NVIDIA GeForce GTS 250M

3

ATI Mobility Radeon HD 4850 X2 vs NVIDIA GeForce G110M

4

ATI Mobility Radeon HD 4850 X2 vs NVIDIA GeForce 710A

5

ATI Mobility Radeon HD 4850 X2 vs NVIDIA GeForce GTX 970M

6

ATI Mobility Radeon HD 4850 X2 vs NVIDIA GeForce GT 755M

7

ATI Mobility Radeon HD 4850 X2 vs ATI Radeon E4690 MXM

8

ATI Mobility Radeon HD 4850 X2 vs NVIDIA GeForce 8600M GT Mac Edition

9

ATI Mobility Radeon HD 4850 X2 vs AMD Radeon HD 7850M

10

ATI Mobility Radeon HD 4850 X2 vs AMD Radeon Pro 580

Related News

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

9

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

10

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game