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Gaming Performance Comparison

Recommended System Requirements
Game Radeon R9 M375X 4GB GeForce GTX 660M
Cyberpunk 2077 465% 635%
Halo: Reach 31% 70%
Red Dead Redemption 2 312% 435%
Call of Duty: Modern Warfare 312% 435%
Doom Eternal 254% 360%
Dragon Ball Z Kakarot 154% 230%
Microsoft Flight Simulator 465% 635%
FIFA 20 119% 185%
Need For Speed Heat 312% 435%
Grand Theft Auto VI 529% 718%

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon R9 M375X 4GB are noticeably better than the Nvidia GeForce GTX 660M.

The R9 M375X has a 65 MHz higher core clock speed and 8 more Texture Mapping Units than the GeForce GTX 660M. This results in the R9 M375X providing 9.3 GTexel/s better texturing performance. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The R9 M375X has a 65 MHz higher core clock speed than the GeForce GTX 660M and the same number of Render Output Units. This results in the R9 M375X providing 1 GPixel/s better pixeling performance. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The R9 M375X was released over three years more recently than the GeForce GTX 660M, and so the R9 M375X is likely to have far better driver support, meaning it will be much more optimized and ultimately superior to the GeForce GTX 660M when running the latest games.

The R9 M375X has 2048 MB more video memory than the GeForce GTX 660M, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the R9 M375X also has superior memory performance overall.

The R9 M375X has 8 GB/sec greater memory bandwidth than the GeForce GTX 660M, which means that the memory performance of the R9 M375X is marginally better than the GeForce GTX 660M.

The Radeon R9 M375X 4GB has 640 Shader Processing Units and the GeForce GTX 660M has 384. However, the actual shader performance of the R9 M375X is 503 and the actual shader performance of the GeForce GTX 660M is 365. The R9 M375X having 138 better shader performance and an altogether better performance when taking into account other relevant data means that the R9 M375X delivers a slightly smoother and more efficient experience when processing graphical data than the GeForce GTX 660M.

The Radeon R9 M375X 4GB requires 75 Watts to run and the GeForce GTX 660M requires 50 Watts. The R9 M375X requires 25 Watts more than the GeForce GTX 660M to run. The difference is not significant enough for the R9 M375X to have a noticeably larger impact on your yearly electricity bills than the GeForce GTX 660M.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed900 MHzvs835 MHz
Boost Clock925 MHzvs950 MHz
ArchitectureGCN 1.0 Venus XTXKepler GK107-N13E-GE-A2
OC Potential Fair vs Poor
Driver Support Great vs Good
Release Date09 Jun 2015vs22 Mar 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768
8.8
green tick vs
7.9
1600x900
6.6
green tick vs
5.9
1920x1080
5.1
green tick vs
4.4
2560x1440
3.4
green tick vs
2.8
3840x2160
2.2
green tick vs
1.8

GPU Memory

Memory4096 MBvs2048 MB
Memory Speed1125 MHzvs1000 MHz
Memory Bus128 Bitvs128 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth72GB/secvs64GB/sec
L2 Cache 256 KB green tick vs green tick 256 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units640vs384
Actual Shader Performance24%vs18%
Technology28nmvs28nm
Texture Mapping Units40vs32
Texture Rate36 GTexel/svs26.7 GTexel/s
Render Output Units16vs16
Pixel Rate14.4 GPixel/svs13.4 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)4096x2160vs4096x2160
VGA Connections0vs0
DVI Connections0vs0
HDMI Connections0vs0
DisplayPort Connections0vs-
Comparison

GPU Power Requirements

Max Power75 Wattsvs50 Watts
Recommended PSU--

GPU Features

DirectX12.0vs12.0
Shader Model5.0vs5.0
Open GL4.4vs4.5
Open CL-vs-
Notebook GPUyesyes
SLI/Crossfireyesvsyes
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core i5-4340M 2.9GHzvsIntel Core i5-3360M 2.8GHz
Recommended RAM8 GBvs8 GB
Maximum Recommended Gaming Resolution1600x900vs1600x900

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview
Radeon R9 M375X 4GB is a Performance Mobile Graphics Card based on the First Generation of the Graphics Core Next Architecture (GCN).



Architecture
Radeon R9 M375X 4GB Features a GPU Codenamed Venus XTX which is a First Gen GCN GPU and is identical to the Cape GPU used on the Desktop Radeon R7 250X.
Venus XTX has 10 Compute Units Unlocked and thus offers 640 Shader Processing Units, 40 TMUs and 16 ROPs.

GPU
The Central Unit is Clocked at 900MHz and goes up to 925MHz, in Turbo Mode.

Memory: Speed
The GPU is equipped with fast GDDR5 and Accesses the Frame Buffer through a 128-bit Memory Interface. The Memory Clock Operates at 1125MHz.

Memory: Frame Buffer
The GPU can fill up a Memory Pool of up to 4GB. Under most circumstances, this only proves useful in certain 3D Games whose Settings Require Large Amounts of Memory.
However, because the GPU itself is too weak to work under other circumstances in which 4GB of Memory are needed - such as 4K Gaming, a Large Frame Buffer is mostly a Gimmick.

Power Consumption
With a rated board TDP of 75W, it is suited for large laptops.

Performance
Radeon R9 M375X 4GB is a Direct Rebrand of Radeon R9 M275X.
Performance is Comparable to the Desktop Radeon R7 250X.

System Suggestions
Radeon R9 M375X 4GB is best suited for resolutions up to and including 1600x900. We recommend a Strong Processor and 8GB of RAM for Optimal Performance.
Overview
GeForce GTX 660M is a Fast-Middle-Class Mobile Graphics Card based on the first revision of the Kepler Architecture.

Architecture
The Kepler Architecture was NVIDIA's big step to power efficiency. Each Stream Multiprocessor (SMX) now hosts 192 Shader Processing Units - against the 48 of older Fermi Architecture, and has been redesigned being now clocked at the same speed of the Central Unit. This means they are more energy efficient and will consequently lead to cooler operating temperatures. However, it also means they are weaker. It can be said that one Fermi SMX is as fast as 2 Kepler SMXs.
Additionally, and not available in all GPUs, Kepler also introduced the Boost Clock Feature. The Boost Clock is an even higher Clock Speed activated when in gaming mode and becomes the effective speed of the GPU.

GPU
It equips a GPU Codenamed GK107-N13E-GE-A2 which has 2 Stream Multiprocessors activated and thus offers 384 Shader Processing Units, 32 TMUs and 16 ROPs. The Central Unit is initially clocked at 835MHz and goes up to 950MHz, in Turbo Mode.

Memory
The GPU accesses a 2GB frame buffer of fast GDDR5, through a 128-bit memory interface. The size of the frame buffer is exaggerated and no way benefits the GPU. The Memory Clock Operates at 1000MHz.

Features
DirectX 11.0 Support (11.0 Hardware Default) and support for SLI, Kepler Boost, Optimus, CUDA, OpenCL, DirectCompute, 3D Vision Surround, PhysX, Realtime Raytracing and other technologies

Power Consumption
With a rated board TDP of 45W, it is suited for average sized laptops.

Performance
Gaming benchmarks indicate its performance is not too far from the desktop GeForce GTX 650.

System Suggestions
We recommend a decent processor (Intel Core i5 Mobile) and 8GB of RAM for a system with GeForce GTX 660M.
Recommended CPU
Possible GPU Upgrades
N/A
N/A
GPU Variants
-
-

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