Radeon RX 6900 vs P104-100

Place in the ranking	462	22
Place by popularity	not in top-100	not in top-100
Power efficiency	no data	18.66
Architecture	Pascal (2016−2021)	RDNA 2.0 (2020−2024)
GPU code name	GP104	Navi 21
Market segment	Workstation	Desktop
Release date	12 December 2017 (7 years ago)	28 October 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 cores	1920	4608
Core clock speed	1607 MHz	no data
Boost clock speed	1733 MHz	2105 MHz
Number of transistors	7,200 million	23,000 million
Manufacturing process technology	16 nm	7 nm
Power consumption (TDP)	no data	255 Watt
Texture fill rate	208.0	606.2
Floating-point processing power	6.655 TFLOPS	19.4 TFLOPS
ROPs	64	64
TMUs	120	288

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).

Interface	PCIe 3.0 x16	PCIe 4.0 x16
Length	267 mm	no data
Width	2-slot	2-slot
Supplementary power connectors	1x 8-pin	2x 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 type	GDDR5X	GDDR6
Maximum RAM amount	4 GB	16 GB
Memory bus width	256 Bit	256 Bit
Memory clock speed	1251 MHz	16 GB/s
Memory bandwidth	320.3 GB/s	512.0 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 Connectors	No outputs	1x HDMI, 2x DisplayPort, 1x USB Type-C
HDMI	-	+

API compatibility

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

DirectX	12 (12_1)	12 Ultimate (12_2)
Shader Model	6.4	6.5
OpenGL	4.6	4.6
OpenCL	1.2	2.0
Vulkan	1.2.131	1.2
CUDA	6.1	-

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.

Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

P104-100 9.62

RX 6900 69.42
+622%

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

P104-100 3707

RX 6900 26751
+622%

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary

Performance score	9.62	69.42
Recency	12 December 2017	28 October 2020
Maximum RAM amount	4 GB	16 GB
Chip lithography	16 nm	7 nm

RX 6900 has a 621.6% higher aggregate performance score, an age advantage of 2 years, a 300% higher maximum VRAM amount, and a 128.6% more advanced lithography process.

The Radeon RX 6900 is our recommended choice as it beats the P104-100 in performance tests.

Be aware that P104-100 is a workstation graphics card while Radeon RX 6900 is a desktop one.

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.