GeForce 7900 GX2 vs Radeon R5 340 OEM

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Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2011−2020)Curie (2003−2013)
GPU code nameOlandG71
Market segmentDesktopDesktop
Release date5 May 2015 (9 years ago)30 April 2006 (18 years ago)
Launch price (MSRP)no data$599

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 speed730 MHz500 MHz
Boost clock speed780 MHzno data
Number of transistors950 million278 million
Manufacturing process technology28 nm90 nm
Power consumption (TDP)65 Wattno data
Texture fill rate18.7212.00
Floating-point processing power0.599 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
Length145 mm312 mm
Width1-slot2-slot
Supplementary power connectorsNone2x 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 typeGDDR5GDDR3
Maximum RAM amount1 GB512 MB
Memory bus width64 Bit256 Bit
Memory clock speed1150 MHz600 MHz
Memory bandwidth36.8 GB/s38.4 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 Connectors1x DVI, 1x DisplayPort2x 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 5 May 2015 30 April 2006
Maximum RAM amount 1 GB 512 MB
Chip lithography 28 nm 90 nm

R5 340 OEM has an age advantage of 9 years, a 100% higher maximum VRAM amount, and a 221.4% more advanced lithography process.

We couldn't decide between Radeon R5 340 OEM and GeForce 7900 GX2. We've got no test results to judge.


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 R5 340 OEM
Radeon R5 340 OEM
NVIDIA GeForce 7900 GX2
GeForce 7900 GX2

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Community ratings

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