Radeon Instinct MI100 vs ATI HD 2900 GT

Primary details

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

Place in the ranking1151not rated
Place by popularitynot in top-100not in top-100
Power efficiency0.35no data
ArchitectureTeraScale (2005−2013)CDNA 1.0 (2020)
GPU code nameR600Arcturus
Market segmentDesktopWorkstation
Release date6 November 2007 (17 years ago)16 November 2020 (4 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 cores2407680
Core clock speed601 MHz1000 MHz
Boost clock speedno data1502 MHz
Number of transistors720 million50,000 million
Manufacturing process technology80 nm7 nm
Power consumption (TDP)150 Watt300 Watt
Texture fill rate7.212721.0
Floating-point processing power0.2885 TFLOPS23.07 TFLOPS
ROPs1264
TMUs12480

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 4.0 x16
Lengthno data267 mm
Width2-slot2-slot
Supplementary power connectors1x 8-pin2x 8-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 typeGDDR3HBM2
Maximum RAM amount256 MB32 GB
Memory bus width256 Bit4096 Bit
Memory clock speed800 MHz1200 MHz
Memory bandwidth51.2 GB/s1,229 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-VideoNo outputs

API compatibility

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

DirectX10.0 (10_0)N/A
Shader Model4.0N/A
OpenGL3.3N/A
OpenCLN/A2.1
VulkanN/AN/A

Pros & cons summary


Recency 6 November 2007 16 November 2020
Maximum RAM amount 256 MB 32 GB
Chip lithography 80 nm 7 nm
Power consumption (TDP) 150 Watt 300 Watt

ATI HD 2900 GT has 100% lower power consumption.

Instinct MI100, on the other hand, has an age advantage of 13 years, a 12700% higher maximum VRAM amount, and a 1042.9% more advanced lithography process.

We couldn't decide between Radeon HD 2900 GT and Radeon Instinct MI100. We've got no test results to judge.

Be aware that Radeon HD 2900 GT is a desktop card while Radeon Instinct MI100 is a workstation 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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ATI Radeon HD 2900 GT
Radeon HD 2900 GT
AMD Radeon Instinct MI100
Radeon Instinct MI100

Comparisons with similar GPUs

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

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


2.1 8 votes

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4.6 53 votes

Rate Radeon Instinct MI100 on a scale of 1 to 5:

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Questions & comments

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