Radeon HD 8770 OEM vs HD 7770M

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Primary details

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

Place in the ranking722not rated
Place by popularitynot in top-100not in top-100
Power efficiency7.73no data
ArchitectureGCN 1.0 (2011−2020)GCN 2.0 (2013−2017)
GPU code nameChelseaBonaire
Market segmentLaptopDesktop
Release date24 April 2012 (12 years ago)2 September 2013 (11 years ago)

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 cores512896
Core clock speed675 MHz1050 MHz
Number of transistors1,500 million2,080 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)32 Watt85 Watt
Texture fill rate21.6058.80
Floating-point processing power0.6912 TFLOPS1.882 TFLOPS
ROPs1616
TMUs3256

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).

Laptop sizemedium sizedno data
InterfacePCIe 2.0 x16PCIe 3.0 x16
Lengthno data183 mm
Widthno data2-slot
Supplementary power connectorsno data1x 6-pin

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 typeGDDR5GDDR5
Maximum RAM amount1 GB1 GB
Memory bus width128 Bit128 Bit
Memory clock speed1000 MHz1500 MHz
Memory bandwidth64 GB/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 ConnectorsNo outputs1x DVI, 1x HDMI, 2x mini-DisplayPort
HDMI-+

API compatibility

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

DirectX12 (11_1)12 (12_0)
Shader Model5.16.3
OpenGL4.64.6
OpenCL1.22.0
Vulkan1.2.1311.2.131

Pros & cons summary


Recency 24 April 2012 2 September 2013
Power consumption (TDP) 32 Watt 85 Watt

HD 7770M has 165.6% lower power consumption.

HD 8770 OEM, on the other hand, has an age advantage of 1 year.

We couldn't decide between Radeon HD 7770M and Radeon HD 8770 OEM. We've got no test results to judge.

Be aware that Radeon HD 7770M is a notebook card while Radeon HD 8770 OEM is a desktop 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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AMD Radeon HD 7770M
Radeon HD 7770M
AMD Radeon HD 8770 OEM
Radeon HD 8770 OEM

Comparisons with similar GPUs

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Community ratings

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4.3 7 votes

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1.3 3 votes

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Questions & comments

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