GRID A100B vs ATI Radeon HD 4890

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Primary details

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

Place in the ranking698not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.45no data
Power efficiency1.43no data
ArchitectureTeraScale (2005−2013)Ampere (2020−2024)
GPU code nameRV790GA100
Market segmentDesktopWorkstation
Release date2 April 2009 (15 years ago)14 May 2020 (4 years ago)
Launch price (MSRP)$249 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 cores8006912
Core clock speed850 MHz900 MHz
Boost clock speedno data1005 MHz
Number of transistors959 million54,200 million
Manufacturing process technology55 nm7 nm
Power consumption (TDP)190 Watt400 Watt
Texture fill rate34.00434.2
Floating-point processing power1.36 TFLOPS13.89 TFLOPS
ROPs16192
TMUs40432
Tensor Coresno data432

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 4.0 x16
Length241 mmno data
Width2-slotIGP
Supplementary power connectors2x 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 typeGDDR5HBM2e
Maximum RAM amount1 GB48 GB
Memory bus width256 Bit6144 Bit
Memory clock speed975 MHz1215 MHz
Memory bandwidth124.8 GB/s1,866 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.

DirectX10.1 (10_1)12 Ultimate (12_2)
Shader Model4.16.5
OpenGL3.34.6
OpenCL1.12.0
VulkanN/A1.2
CUDA-8.0

Pros & cons summary


Recency 2 April 2009 14 May 2020
Maximum RAM amount 1 GB 48 GB
Chip lithography 55 nm 7 nm
Power consumption (TDP) 190 Watt 400 Watt

ATI HD 4890 has 110.5% lower power consumption.

GRID A100B, on the other hand, has an age advantage of 11 years, a 4700% higher maximum VRAM amount, and a 685.7% more advanced lithography process.

We couldn't decide between Radeon HD 4890 and GRID A100B. We've got no test results to judge.

Be aware that Radeon HD 4890 is a desktop card while GRID A100B 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 4890
Radeon HD 4890
NVIDIA GRID A100B
GRID A100B

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Community ratings

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4.1 86 votes

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Questions & comments

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