NVIDIA GeForce GT 640M
VS
AMD Radeon R5 M255
NVIDIA GeForce GT 640M
VS
AMD Radeon R5 M255

General info

The general info section in the graphics cards comparison list contains information about the date of release, type, overall rating and other useful data for identifying winner between NVIDIA GeForce GT 640M  vs  AMD Radeon R5 M255.

684
Place in performance rating
854
Kepler
Architecture
GCN
GK107
Code name
Topaz
Laptop
Type
Laptop
22 March 2012 (9 years ago)
Release date
1 May 2014 (7 years ago)
$310
Price now
no data
0.18
Value for money
no data
N13P-GS
GPU code name
Topaz Pro / Sun
Laptop
Market segment
Laptop

Technical specs

Which GPU is better between NVIDIA GeForce GT 640M  vs  AMD Radeon R5 M255 in the fabrication process, power consumption, and also base and turbo frequency of the GPU is the most important part containing in the graphics cards hierarchy.

384
Pipelines
384
no data
Core clock speed
940 MHz
645 MHz
Boost Clock
940 MHz
1,270 million
Transistor count
1,550 million
28 nm
Manufacturing process technology
28 nm
32 Watt
Power consumption (TDP)
no data
no data
Texture fill rate
22.56
480.0 gflops
Floating-point performance
721.9 gflops
384
CUDA cores
no data
no data
Compute units
5
384
Pipelines / CUDA cores
320
645 MHz
Boost clock speed
940 MHz
1,270 million
Number of transistors
1,550 million
32 Watt
Thermal design power (TDP)
no data

Compatibility, dimensions and requirements

Let’s discuss how graphics cards NVIDIA GeForce GT 640M and AMD Radeon R5 M255 come in different sizes (length), connector types and types of interfaces.

PCIe 3.0 x16
Interface
PCIe 3.0 x8
medium sized
Laptop size
no data
PCI Express 2.0, PCI Express 3.0
Bus support
PCIe 3.0 x8

Memory

Graphics cards memory plays important role both in gaming and in applications for graphics. The card will perform much quicker and better, if it has more memory capacity and right memory type. What is the difference between NVIDIA GeForce GT 640M vs AMD Radeon R5 M255.

DDR3\GDDR5
Memory type
DDR3
2 GB
Maximum RAM amount
4 GB
128bit
Memory bus width
64 Bit
1800 - 4000 MHz
Memory clock speed
1000 MHz
no data
Memory bandwidth
16 GB/s
-
Shared memory
-

Video outputs and ports

Let’s find out the difference in extra ports between two graphics cards. What's the difference between NVIDIA GeForce GT 640M vs AMD Radeon R5 M255.

No outputs
Display Connectors
No outputs
+
HDCP
no data
Up to 2048x1536
Maximum VGA resolution
no data
no data
Eyefinity
+
+
HDMI
no data

Technologies

Let’s have a look what is the difference. It is worthwhile to note that NVIDIA and AMD are using different technologies.

+
3D Vision
no data
+
CUDA
no data
+
Optimus
no data
no data
AppAcceleration
+
no data
HD3D
+
no data
PowerTune
+
no data
TrueAudio
-
no data
ZeroCore
+
no data
Enduro
-
+
3D Blu-Ray
no data
DirectX 11
DirectX 11
no data
no data
DualGraphics
1
no data
Switchable graphics
1
+
DirectCompute
no data
no data
PowerPlay
+

API support

The confrontation between the two contenders NVIDIA GeForce GT 640M and AMD Radeon R5 M255 is practically over. The hardware support (API) does not greatly affect the overall performance, it is not considered in synthetic benchmarks and other performance tests. 

12 API
DirectX
DirectX® 11
4.5
OpenGL
4.4
1.1.126
Vulkan
no data
5.1
Shader Model
6.3
1.1
OpenCL
Not Listed
no data
Mantle
+

Gaming performance

Select form the list the required name to identify gaming performance for NVIDIA GeForce GT 640M and AMD Radeon R5 M255 graphics cards. The result shows how fast the game will run and whether it can be run on this computer. The different monitor resolutions – from low to 4K – are used for testing. Find out is the NVIDIA GeForce GT 640M or AMD Radeon R5 M255 good for gaming.


low
1280x720
med.
1920x1080
high
1920x1080
ultra
1920x1080
QHD
2560x1440
4K
3840x2160
Horizon Zero Dawn (2020) NVIDIA GeForce GT 640M
AMD Radeon R5 M255
Death Stranding (2020) NVIDIA GeForce GT 640M
AMD Radeon R5 M255
F1 2020 (2020) NVIDIA GeForce GT 640M
AMD Radeon R5 M255
Gears Tactics (2020) NVIDIA GeForce GT 640M
AMD Radeon R5 M255
Doom Eternal (2020) NVIDIA GeForce GT 640M
AMD Radeon R5 M255 8.5
Legend
5 Stutters – This game is very likely to stutter and have poor frame rates. Based on all known benchmarks using the specified graphical settings, average frame rates are expected to fall below 25fps
May Stutter – This graphics card has not been explicitly tested on this game. Based on interpolated information from surrounding graphics cards of similar performance levels, stutters and poor frame rates are expected.
30 Fluent – Based on all known benchmarks using the specified graphical settings, this game should run at or above 25fps
40 Fluent – Based on all known benchmarks using the specified graphical settings, this game should run at or above 35fps
60 Fluent – Based on all known benchmarks using the specified graphical settings, this game should run at or above 58fps
May Run Fluently – This graphics card has not been explicitly tested on this game. Based on interpolated information from surrounding graphics cards of similar performance levels, fluent frame rates are expected.
? Uncertain – This graphics card experienced unexpected performance issues during testing for this game. A slower card may be able to achieve better and more consistent frame rates than this particular GPU running the same benchmark scene.
Uncertain – This graphics card has not been explicitly tested on this game and no reliable interpolation can be made based on the performances of surrounding cards of the same class or family.
The value in the fields displays the average frame rate of all values in the database. Move your cursor over the value to see individual results.

Advantages of NVIDIA GeForce GT 640M

1.45% faster in synthetic tests

Advantages of AMD Radeon R5 M255

More maximum RAM amount (4 GB vs 2 GB)

So, NVIDIA GeForce GT 640M or AMD Radeon R5 M255?

Judging by the results of synthetic and gaming tests, we recommend NVIDIA GeForce GT 640M .

NVIDIA GeForce GT 640M versus AMD Radeon R5 M255 performance benchmarks comparison

Overall benchmark performance

3DMark Ice Storm GPU

Benchmark 3DMark Ice Storm GPU: Graphic cards performance test result. Check 3DMark Ice Storm GPU test results of GPUs on hitesti.com

3DMark Cloud Gate GPU

Benchmark 3DMark Cloud Gate GPU: Graphic cards performance test result. Check 3DMark Cloud Gate GPU test results of GPUs on hitesti.com

3DMark Fire Strike Score

Benchmark 3DMark Fire Strike Score: Graphic cards performance test result. Check 3DMark Fire Strike Score test results of GPUs on hitesti.com

3DMark Fire Strike Graphics

Benchmark 3DMark Fire Strike Graphics: Graphic cards performance test result. Check 3DMark Fire Strike Graphics test results of GPUs on hitesti.com

3DMark 11 Performance GPU

Benchmark 3DMark 11 Performance GPU: Graphic cards performance test result. Check 3DMark 11 Performance GPU test results of GPUs on hitesti.com

3DMark Vantage Performance

Benchmark 3DMark Vantage Performance: Graphic cards performance test result. Check 3DMark Vantage Performance test results of GPUs on hitesti.com

SPECviewperf 12 - Solidworks

Benchmark SPECviewperf 12 - Solidworks: Graphic cards performance test result. Check SPECviewperf 12 - Solidworks test results of GPUs on hitesti.com

SPECviewperf 12 - Siemens NX

Benchmark SPECviewperf 12 - Siemens NX: Graphic cards performance test result. Check SPECviewperf 12 - Siemens NX test results of GPUs on hitesti.com

SPECviewperf 12 - Showcase

Benchmark SPECviewperf 12 - Showcase: Graphic cards performance test result. Check SPECviewperf 12 - Showcase test results of GPUs on hitesti.com

Octane Render OctaneBench

Benchmark Octane Render OctaneBench: Graphic cards performance test result. Check Octane Render OctaneBench test results of GPUs on hitesti.com

SPECviewperf 12 - Medical

Benchmark SPECviewperf 12 - Medical: Graphic cards performance test result. Check SPECviewperf 12 - Medical test results of GPUs on hitesti.com

SPECviewperf 12 - Maya

Benchmark SPECviewperf 12 - Maya: Graphic cards performance test result. Check SPECviewperf 12 - Maya test results of GPUs on hitesti.com

SPECviewperf 12 - Energy

Benchmark SPECviewperf 12 - Energy: Graphic cards performance test result. Check SPECviewperf 12 - Energy test results of GPUs on hitesti.com

SPECviewperf 12 - Creo

Benchmark SPECviewperf 12 - Creo: Graphic cards performance test result. Check SPECviewperf 12 - Creo test results of GPUs on hitesti.com

SPECviewperf 12 - Catia

Benchmark SPECviewperf 12 - Catia: Graphic cards performance test result. Check SPECviewperf 12 - Catia test results of GPUs on hitesti.com

Passmark

Benchmark Passmark: Graphic cards performance test result. Check Passmark test results of GPUs on hitesti.com

User rating

4.1 Out of 54 Hitesti Score
5.0 Out of 4 Hitesti Score