GeForce GTX 1070 Max Q vs Radeon HD 7990

When comparing GeForce GTX 1070 Max Q and Radeon HD 7990, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GeForce GTX 1070 Max Q and Radeon HD 7990 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

GeForce GTX 1070 Max Q is a Laptop Graphics Card

Note: GeForce GTX 1070 Max Q is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with GeForce GTX 1070 Max Q here:

Main Specs

  GeForce GTX 1070 Max Q Radeon HD 7990
Power consumption (TDP) 115 Watt 375 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors None 2x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 8 GB 3 GB
Display Connectors No outputs 1x DVI, 4x mini-DisplayPort
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  • Radeon HD 7990 has 226% more power consumption, than GeForce GTX 1070 Max Q.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • GeForce GTX 1070 Max Q has 5 GB more memory, than Radeon HD 7990.
  • GeForce GTX 1070 Max Q is used in Laptops, and Radeon HD 7990 - in Desktops.
  • GeForce GTX 1070 Max Q is build with Pascal architecture, and Radeon HD 7990 - with GCN 1.0.
  • Core clock speed of GeForce GTX 1070 Max Q is 151 MHz higher, than Radeon HD 7990.
  • GeForce GTX 1070 Max Q is manufactured by 16 nm process technology, and Radeon HD 7990 - by 28 nm process technology.
  • Memory clock speed of GeForce GTX 1070 Max Q is 2000 MHz higher, than Radeon HD 7990.

Game benchmarks

high / 1080p 35−40 35−40
ultra / 1080p 21−24 21−24
QHD / 1440p 16−18 16−18
4K / 2160p 10−11 10−11
low / 720p 60−65 60−65
medium / 1080p 40−45 40−45
GeForce GTX 1070 Max Q and Radeon HD 7990 have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  GeForce GTX 1070 Max Q Radeon HD 7990
Architecture Pascal GCN 1.0
Code name N17E-G2 Max-Q Malta
Type Laptop Desktop
Release date 30 May 2017 24 April 2013
Pipelines 2048 2048
Core clock speed 1101 - 1215 MHz 950 MHz
Boost Clock 1265 - 1379 MHz 1000 MHz
Transistor count 7,200 million 4,313 million
Manufacturing process technology 16 nm 28 nm
Texture fill rate 176.5 128.0
Floating-point performance 5,648 gflops 2x 4,096 gflops
Length 307 mm
Memory bus width 256 Bit 384 Bit
Memory clock speed 8000 MHz 6000 MHz
Memory bandwidth 256.3 GB/s 288.0 GB/s
Shared memory -
G-SYNC support +
VR Ready +
DirectX 12 (12_1) 12 (11_1)
Shader Model 6.4 5.1
OpenGL 4.6 4.6
OpenCL 1.2 1.2
Vulkan 1.2.131 1.2.131
CUDA 6.1
Bitcoin / BTC (SHA256) 459 Mh/s
Laptop size large
Ethereum / ETH (DaggerHashimoto) 44 Mh/s
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