Radeon R5 340 OEM vs GeForce 6800 GT

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Primary details

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

Place in the ranking1275not rated
Place by popularitynot in top-100not in top-100
Power efficiency0.38no data
ArchitectureCurie (2003−2013)GCN 1.0 (2011−2020)
GPU code nameNV45Oland
Market segmentDesktopDesktop
Release date8 June 2004 (20 years ago)5 May 2015 (9 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 coresno data384
Core clock speed350 MHz730 MHz
Boost clock speedno data780 MHz
Number of transistors222 million950 million
Manufacturing process technology130 nm28 nm
Power consumption (TDP)67 Watt65 Watt
Texture fill rate5.60018.72
Floating-point processing powerno data0.599 TFLOPS
ROPs168
TMUs1624

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 1.0 x16PCIe 3.0 x8
Lengthno data145 mm
Width1-slot1-slot
Supplementary power connectors1x 6-pinNone

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 typeGDDR3GDDR5
Maximum RAM amount256 MB1 GB
Memory bus width256 Bit64 Bit
Memory clock speed500 MHz1150 MHz
Memory bandwidth32 GB/s36.8 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 Connectors2x DVI, 1x S-Video1x DVI, 1x DisplayPort

API compatibility

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

DirectX9.0c (9_3)12 (11_1)
Shader Model3.05.1
OpenGL2.14.6
OpenCLN/A1.2
VulkanN/A1.2.131

Pros & cons summary


Recency 8 June 2004 5 May 2015
Maximum RAM amount 256 MB 1 GB
Chip lithography 130 nm 28 nm
Power consumption (TDP) 67 Watt 65 Watt

R5 340 OEM has an age advantage of 10 years, a 300% higher maximum VRAM amount, a 364.3% more advanced lithography process, and 3.1% lower power consumption.

We couldn't decide between GeForce 6800 GT and Radeon R5 340 OEM. 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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NVIDIA GeForce 6800 GT
GeForce 6800 GT
AMD Radeon R5 340 OEM
Radeon R5 340 OEM

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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