GeForce 7800 GTX 512 vs Radeon HD 6770M

Primary details

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

Place in the ranking831not rated
Place by popularitynot in top-100not in top-100
Power efficiency4.97no data
ArchitectureTeraScale 2 (2009−2015)Curie (2003−2013)
GPU code nameWhistlerG70
Market segmentLaptopDesktop
Release date4 January 2011 (13 years ago)14 November 2005 (19 years ago)
Launch price (MSRP)no data$649

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 cores480no data
Core clock speed725 MHz500 MHz
Number of transistors716 million302 million
Manufacturing process technology40 nm110 nm
Power consumption (TDP)35 Watt108 Watt
Texture fill rate17.4012.00
Floating-point processing power0.696 TFLOPSno data
ROPs816
TMUs2424

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
InterfaceMXM-A (3.0)PCIe 1.0 x16
Lengthno data228 mm
Widthno data2-slot

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 typeGDDR5GDDR3
Maximum RAM amount1 GB512 MB
Memory bus width128 Bit256 Bit
Memory clock speed900 MHz800 MHz
Memory bandwidth57.6 GB/s51.2 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 outputs2x DVI, 1x S-Video

API compatibility

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

DirectX11.2 (11_0)9.0c (9_3)
Shader Model5.03.0
OpenGL4.42.1
OpenCL1.2N/A
VulkanN/AN/A

Pros & cons summary


Recency 4 January 2011 14 November 2005
Maximum RAM amount 1 GB 512 MB
Chip lithography 40 nm 110 nm
Power consumption (TDP) 35 Watt 108 Watt

HD 6770M has an age advantage of 5 years, a 100% higher maximum VRAM amount, a 175% more advanced lithography process, and 208.6% lower power consumption.

We couldn't decide between Radeon HD 6770M and GeForce 7800 GTX 512. We've got no test results to judge.

Be aware that Radeon HD 6770M is a notebook card while GeForce 7800 GTX 512 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 6770M
Radeon HD 6770M
NVIDIA GeForce 7800 GTX 512
GeForce 7800 GTX 512

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Community ratings

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3.5 82 votes

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