Radeon R7 350 640SP vs HD 6390

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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
ArchitectureTeraScale 2 (2009−2015)GCN 1.0 (2012−2020)
GPU code nameRedwoodCape Verde
Market segmentDesktopDesktop
Release date4 July 2011 (14 years ago)7 January 2019 (6 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 cores320640
Core clock speed550 MHz925 MHz
Number of transistors627 million1,500 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)39 Watt55 Watt
Texture fill rate8.80037.00
Floating-point processing power0.352 TFLOPS1.184 TFLOPS
ROPs816
TMUs1640

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 2.0 x16PCIe 3.0 x16
Length165 mm168 mm
Width1-slot1-slot
Supplementary power connectorsNoneNone

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 typeDDR2GDDR5
Maximum RAM amount1 GB2 GB
Memory bus width128 Bit128 Bit
Memory clock speed500 MHz1125 MHz
Memory bandwidth16 GB/s72 GB/s

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors1x DVI, 1x HDMI, 1x VGA1x DVI, 1x HDMI, 1x DisplayPort
HDMI++

API and SDK compatibility

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

DirectX11.2 (11_0)12 (11_1)
Shader Model5.05.1
OpenGL4.44.6
OpenCL1.21.2
VulkanN/A1.2

Pros & cons summary


Recency 4 July 2011 7 January 2019
Maximum RAM amount 1 GB 2 GB
Chip lithography 40 nm 28 nm
Power consumption (TDP) 39 Watt 55 Watt

HD 6390 has 41% lower power consumption.

R7 350 640SP, on the other hand, has an age advantage of 7 years, a 100% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

We couldn't decide between Radeon HD 6390 and Radeon R7 350 640SP. We've got no test results to judge.

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AMD Radeon HD 6390
Radeon HD 6390
AMD Radeon R7 350 640SP
Radeon R7 350 640SP

Other comparisons

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

Community ratings

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