Radeon Pro W6800 vs ATI HD 4870 Mac Edition

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Primary details

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

Place in the rankingnot rated53
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data23.63
Power efficiencyno data14.10
ArchitectureTeraScale (2005−2013)RDNA 2.0 (2020−2024)
GPU code nameRV770Navi 21
Market segmentDesktopWorkstation
Release date6 January 2009 (15 years ago)8 June 2021 (3 years ago)
Launch price (MSRP)no data$2,249

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 cores8003840
Core clock speed750 MHz2075 MHz
Boost clock speedno data2320 MHz
Number of transistors956 million26,800 million
Manufacturing process technology55 nm7 nm
Power consumption (TDP)150 Watt250 Watt
Texture fill rate30.00556.8
Floating-point processing power1.2 TFLOPS17.82 TFLOPS
ROPs1696
TMUs40240
Ray Tracing Coresno data60

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
Length250 mm267 mm
Width2-slot2-slot
Supplementary power connectors2x 6-pin1x 6-pin + 1x 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 typeGDDR5GDDR6
Maximum RAM amount512 MB32 GB
Memory bus width256 Bit256 Bit
Memory clock speed850 MHz2000 MHz
Memory bandwidth108.8 GB/s512.0 GB/s
Shared memory--

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 Connectors1x DVI, 1x mini-DisplayPort6x mini-DisplayPort

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
OpenCL1.12.1
VulkanN/A1.2

Pros & cons summary


Recency 6 January 2009 8 June 2021
Maximum RAM amount 512 MB 32 GB
Chip lithography 55 nm 7 nm
Power consumption (TDP) 150 Watt 250 Watt

ATI HD 4870 Mac Edition has 66.7% lower power consumption.

Pro W6800, on the other hand, has an age advantage of 12 years, a 6300% higher maximum VRAM amount, and a 685.7% more advanced lithography process.

We couldn't decide between Radeon HD 4870 Mac Edition and Radeon Pro W6800. We've got no test results to judge.

Be aware that Radeon HD 4870 Mac Edition is a desktop card while Radeon Pro W6800 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 4870 Mac Edition
Radeon HD 4870 Mac Edition
AMD Radeon Pro W6800
Radeon Pro W6800

Comparisons with similar GPUs

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Community ratings

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5 1 vote

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3.9 82 votes

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Questions & comments

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