ATI Radeon 9100 PCI vs ATI HD 4870 X2

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Primary details

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

Place in the ranking730not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.13no data
Power efficiency0.83no data
ArchitectureTeraScale (2005−2013)Rage 7 (2001−2006)
GPU code nameR700R200
Market segmentDesktopDesktop
Release date12 August 2008 (16 years ago)1 April 2003 (21 year ago)
Launch price (MSRP)$550 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 speed700 MHz250 MHz
Number of transistors956 million60 million
Manufacturing process technology55 nm150 nm
Power consumption (TDP)286 Wattno data
Texture fill rate28.002.000
Floating-point processing power1.12 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).

InterfacePCIe 2.0 x16PCI
Length267 mmno data
Width2-slot1-slot
Supplementary power connectors1x 6-pin + 1x 8-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 typeGDDR5DDR
Maximum RAM amount1 GB64 MB
Memory bus width256 Bit128 Bit
Memory clock speed900 MHz250 MHz
Memory bandwidth115.2 GB/s8 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 VGA

API compatibility

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

DirectX10.1 (10_1)8.1
Shader Model4.1no data
OpenGL3.31.4
OpenCL1.1N/A
VulkanN/AN/A

Pros & cons summary


Recency 12 August 2008 1 April 2003
Maximum RAM amount 1 GB 64 MB
Chip lithography 55 nm 150 nm

ATI HD 4870 X2 has an age advantage of 5 years, a 1500% higher maximum VRAM amount, and a 172.7% more advanced lithography process.

We couldn't decide between Radeon HD 4870 X2 and Radeon 9100 PCI. 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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ATI Radeon HD 4870 X2
Radeon HD 4870 X2
ATI Radeon 9100 PCI
Radeon 9100 PCI

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