A100 PCIe vs ATI Radeon HD 4870 X2

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Primary details

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

Place in the ranking731not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.13no data
ArchitectureTeraScale (2005−2013)Ampere (2020−2024)
GPU code nameR700GA100
Market segmentDesktopDesktop
Release date12 August 2008 (16 years ago)22 June 2020 (4 years 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 cores8006912
Core clock speed700 MHz1410 MHz
Number of transistors956 million54,200 million
Manufacturing process technology55 nm7 nm
Power consumption (TDP)286 Watt250 Watt
Texture fill rate28.00609.1
Floating-point processing power1.12 TFLOPS19.49 TFLOPS
ROPs16160
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
Length267 mm267 mm
Width2-slot2-slot
Supplementary power connectors1x 6-pin + 1x 8-pin1x 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 typeGDDR5HBM2e
Maximum RAM amount1 GB40 GB
Memory bus width256 Bit5120 Bit
Memory clock speed900 MHz1215 MHz
Memory bandwidth115.2 GB/s1,555 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 12 August 2008 22 June 2020
Maximum RAM amount 1 GB 40 GB
Chip lithography 55 nm 7 nm
Power consumption (TDP) 286 Watt 250 Watt

A100 PCIe has an age advantage of 11 years, a 3900% higher maximum VRAM amount, a 685.7% more advanced lithography process, and 14.4% lower power consumption.

We couldn't decide between Radeon HD 4870 X2 and A100 PCIe. 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
NVIDIA A100 PCIe
A100 PCIe

Comparisons with similar GPUs

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Community ratings

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


4 44 votes

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3.4 30 votes

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Questions & comments

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