Radeon RX 6900 vs GeForce GTX 850A

Place in the ranking	807	23
Place by popularity	not in top-100	not in top-100
Architecture	Maxwell (2014−2017)	RDNA 2.0 (2020−2023)
GPU code name	GM107	Navi 21
Market segment	Desktop	Desktop
Release date	17 March 2014 (10 years ago)	28 October 2020 (3 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	640	4608
Core clock speed	902 MHz	no data
Boost clock speed	936 MHz	2105 MHz
Number of transistors	1,870 million	23,000 million
Manufacturing process technology	28 nm	7 nm
Power consumption (TDP)	45 Watt	255 Watt
Texture fill rate	37.44	606.2
Floating-point processing power	1.198 TFLOPS	19.4 TFLOPS
ROPs	16	64
TMUs	40	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
Width	IGP	2-slot
Supplementary power connectors	no data	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	DDR3	GDDR6
Maximum RAM amount	2 GB	16 GB
Memory bus width	128 Bit	256 Bit
Memory clock speed	900 MHz	16 GB/s
Memory bandwidth	28.8 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 (11_0)	12 Ultimate (12_2)
Shader Model	5.1	6.5
OpenGL	4.6	4.6
OpenCL	1.2	2.0
Vulkan	1.1.126	1.2
CUDA	5.0	-

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.

GTX 850A 2.72

RX 6900 69.51
+2456%

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.

GTX 850A 1049

RX 6900 26813
+2456%

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	2.72	69.51
Recency	17 March 2014	28 October 2020
Maximum RAM amount	2 GB	16 GB
Chip lithography	28 nm	7 nm
Power consumption (TDP)	45 Watt	255 Watt

GTX 850A has 466.7% lower power consumption.

RX 6900, on the other hand, has a 2455.5% higher aggregate performance score, an age advantage of 6 years, a 700% higher maximum VRAM amount, and a 300% more advanced lithography process.

The Radeon RX 6900 is our recommended choice as it beats the GeForce GTX 850A in performance tests.

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