P104 100 vs Radeon HD 7770M

Find out if it is worth upgrading your current GPU setup by comparing P104 100 and Radeon HD 7770M. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between P104 100 and Radeon HD 7770M. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Radeon HD 7770M is a Laptop Graphics Card

Note: Radeon HD 7770M 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 Radeon HD 7770M here:

Main Specs

  P104 100 Radeon HD 7770M
Power consumption (TDP) 32 Watt
Interface PCIe 3.0 x16 PCIe 2.0 x16
Supplementary power connectors 1x 8-pin
Memory type GDDR5X GDDR5
Maximum RAM amount 4 GB 1 GB
Display Connectors No outputs No outputs
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  • P104 100 is connected by PCIe 3.0 x16, and Radeon HD 7770M uses PCIe 2.0 x16 interface.
  • P104 100 has 3 GB more memory, than Radeon HD 7770M.
  • P104 100 is used in Desktops, and Radeon HD 7770M - in Laptops.
  • P104 100 is build with Pascal architecture, and Radeon HD 7770M - with GCN.
  • Core clock speed of P104 100 is 932 MHz higher, than Radeon HD 7770M.
  • P104 100 is manufactured by 16 nm process technology, and Radeon HD 7770M - by 28 nm process technology.
  • Memory clock speed of P104 100 is 6008 MHz higher, than Radeon HD 7770M.

Game benchmarks

high / 1080p 35−40 9−10
ultra / 1080p 21−24 5−6
QHD / 1440p 16−18 0−1
4K / 2160p 10−11
low / 720p 60−65 21−24
medium / 1080p 40−45 10−12
The average gaming FPS of P104 100 in Assassin's Creed Odyssey is 241% more, than Radeon HD 7770M.

Full Specs

  P104 100 Radeon HD 7770M
Architecture Pascal GCN
Code name GP104 Chelsea XT
Type Desktop Laptop
Release date 12 December 2017 24 April 2012
Pipelines 1920 512
Core clock speed 1607 MHz 675 MHz
Boost Clock 1733 MHz
Transistor count 7,200 million 1,500 million
Manufacturing process technology 16 nm 28 nm
Texture fill rate 208.0 21.60
Floating-point performance 8,873 gflops 691.2 gflops
Length 267 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 10008 MHz 4000 MHz
Memory bandwidth 320.3 GB/s 64 GB/s
Shared memory -
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
Laptop size medium sized
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