Radeon E8870 MXM vs GeForce RTX 4090

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Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking1not rated
Place by popularity6not in top-100
Cost-effectiveness evaluation18.83no data
Power efficiency15.23no data
ArchitectureAda Lovelace (2022−2024)GCN 2.0 (2013−2017)
GPU code nameAD102Saturn
Market segmentDesktopLaptop
Release date20 September 2022 (2 years ago)29 September 2015 (9 years ago)
Launch price (MSRP)$1,599 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores16384768
Core clock speed2235 MHz1000 MHz
Boost clock speed2520 MHzno data
Number of transistors76,300 million2,080 million
Manufacturing process technology5 nm28 nm
Power consumption (TDP)450 Watt75 Watt
Texture fill rate1,29048.00
Floating-point processing power82.58 TFLOPS1.536 TFLOPS
ROPs17616
TMUs51248
Tensor Cores512no data
Ray Tracing Cores128no data

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 4.0 x16MXM-B (3.0)
Length304 mmno data
Width3-slotno data
Supplementary power connectors1x 16-pinNone

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR6XGDDR5
Maximum RAM amount24 GB4 GB
Memory bus width384 Bit128 Bit
Memory clock speed1313 MHz1500 MHz
Memory bandwidth1.01 TB/s96 GB/s
Shared memory--

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors1x HDMI 2.1, 3x DisplayPort 1.4aPortable Device Dependent
HDMI+-

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 Ultimate (12_2)12 (12_0)
Shader Model6.86.5 (6.0)
OpenGL4.64.6
OpenCL3.02.1
Vulkan1.31.2.170
CUDA8.9-

Pros & cons summary


Recency 20 September 2022 29 September 2015
Maximum RAM amount 24 GB 4 GB
Chip lithography 5 nm 28 nm
Power consumption (TDP) 450 Watt 75 Watt

RTX 4090 has an age advantage of 6 years, a 500% higher maximum VRAM amount, and a 460% more advanced lithography process.

E8870 MXM, on the other hand, has 500% lower power consumption.

We couldn't decide between GeForce RTX 4090 and Radeon E8870 MXM. We've got no test results to judge.

Be aware that GeForce RTX 4090 is a desktop card while Radeon E8870 MXM is a notebook one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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NVIDIA GeForce RTX 4090
GeForce RTX 4090
AMD Radeon E8870 MXM
Radeon E8870 MXM

Comparisons with similar GPUs

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Community ratings

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