GeForce 7800 GTX 512 vs Radeon R7 A265

Primary details

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

Place in the ranking820not rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2011−2020)Curie (2003−2013)
GPU code nameOpalG70
Market segmentLaptopDesktop
Release date9 January 2014 (10 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 cores384no data
Core clock speed725 MHz500 MHz
Boost clock speed825 MHzno data
Number of transistors950 million302 million
Manufacturing process technology28 nm110 nm
Power consumption (TDP)no data108 Watt
Texture fill rate19.8012.00
Floating-point processing power0.6336 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).

InterfacePCIe 3.0 x8PCIe 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 typeDDR3GDDR3
Maximum RAM amount2 GB512 MB
Memory bus width128 Bit256 Bit
Memory clock speed900 MHz800 MHz
Memory bandwidth28.8 GB/s51.2 GB/s

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.

DirectX12 (11_1)9.0c (9_3)
Shader Model5.13.0
OpenGL4.62.1
OpenCL1.2N/A
Vulkan1.2.131N/A

Pros & cons summary


Recency 9 January 2014 14 November 2005
Maximum RAM amount 2 GB 512 MB
Chip lithography 28 nm 110 nm

R7 A265 has an age advantage of 8 years, a 300% higher maximum VRAM amount, and a 292.9% more advanced lithography process.

We couldn't decide between Radeon R7 A265 and GeForce 7800 GTX 512. We've got no test results to judge.

Be aware that Radeon R7 A265 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.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon R7 A265
Radeon R7 A265
NVIDIA GeForce 7800 GTX 512
GeForce 7800 GTX 512

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


No user ratings yet.

Rate Radeon R7 A265 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
1.7 3 votes

Rate GeForce 7800 GTX 512 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.