ATI Radeon 8500 XT vs HD 6850M

Primary details

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

Place in the ranking887not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.80no data
ArchitectureTeraScale 2 (2009−2015)Rage 7 (2001−2006)
GPU code nameGranvilleR250
Market segmentLaptopDesktop
Release date4 January 2011 (13 years ago)1 June 2002 (22 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 cores800no data
Core clock speed675 MHz300 MHz
Number of transistors1,040 million60 million
Manufacturing process technology40 nm150 nm
Power consumption (TDP)50 Watt25 Watt
Texture fill rate27.002.400
Floating-point processing power1.08 TFLOPSno data
ROPs164
TMUs408

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 sizelargeno data
InterfacePCIe 2.0 x16AGP 4x
Widthno data1-slot
Supplementary power connectorsno dataNone

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 typeGDDR3DDR
Maximum RAM amount1 GB128 MB
Memory bus width128 Bit128 Bit
Memory clock speed800 MHz300 MHz
Memory bandwidth25.6 GB/s9.6 GB/s
Shared memory-no data

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 outputs1x DVI, 1x VGA, 1x S-Video

API compatibility

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

DirectX11.2 (11_0)8.1
Shader Model5.0no data
OpenGL4.41.4
OpenCL1.2N/A
VulkanN/AN/A

Pros & cons summary


Recency 4 January 2011 1 June 2002
Maximum RAM amount 1 GB 128 MB
Chip lithography 40 nm 150 nm
Power consumption (TDP) 50 Watt 25 Watt

HD 6850M has an age advantage of 8 years, a 700% higher maximum VRAM amount, and a 275% more advanced lithography process.

ATI 8500 XT, on the other hand, has 100% lower power consumption.

We couldn't decide between Radeon HD 6850M and Radeon 8500 XT. We've got no test results to judge.

Be aware that Radeon HD 6850M is a notebook card while Radeon 8500 XT 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 6850M
Radeon HD 6850M
ATI Radeon 8500 XT
Radeon 8500 XT

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