NVIDIA GeForce RTX 3090 vs AMD Radeon RX 6800

General info

Comparison of GeForce RTX 3090 and Radeon RX 6800 architecture, market type and release date.
Place in performance rating
 
Value for money (0-100)
1.49
 
5.41
Architecture
Ampere
 
Navi / RDNA2
Code name
Ampere GA102
 
Navi 21
Type
Desktop
 
Desktop
Release date
24 September 2020
 
28 October 2020
Launch price (MSRP)
$1,499
 
$579
Price now
$2407
 
$660

Technical specs

GeForce RTX 3090 and Radeon RX 6800's general performance parameters such as number of shaders, GPU core clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of GeForce RTX 3090 and Radeon RX 6800's performance, but for precise assessment you have to consider its benchmark and gaming test results.
Pipelines
10496
 
3840
Core clock speed
1400 MHz
 
1815 MHz
Boost Clock
1700 MHz
 
2105 MHz
Transistor count
28,300 million
 
26,800 million
Manufacturing process technology
8 nm
 
7 nm
Power consumption (TDP)
350 Watt
 
250 Watt
Texture fill rate
556.0
 
505.2

Compatibility, dimensions and requirements

Information on GeForce RTX 3090 and Radeon RX 6800 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
Interface
PCIe 4.0 x16
 
PCIe 4.0 x16
Length
313 mm
 
267 mm
Supplementary power connectors
1x 12-pin
 
2x 8-pin

Memory

Parameters of memory installed on GeForce RTX 3090 and Radeon RX 6800: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors don't have dedicated memory and use a shared part of system RAM.
Memory type
GDDR6X
 
GDDR6
Maximum RAM amount
24 GB
 
16 GB
Memory bus width
384 Bit
 
256 Bit
Memory clock speed
19500 MHz
 
16000 MHz
Memory bandwidth
936.2 GB/s
 
512.0 GB/s
Shared memory
-
 
no data

Video outputs and ports

Types and number of video connectors present on GeForce RTX 3090 and Radeon RX 6800. As a rule, this section is relevant only for desktop reference video cards, since for notebook ones the availability of certain video outputs depends on the laptop model.
Display Connectors
1x HDMI, 3x DisplayPort
 
1x HDMI, 2x DisplayPort, 1x USB Type-C
HDMI
+
 
+

API support

APIs supported by GeForce RTX 3090 and Radeon RX 6800, sometimes including their particular versions.
DirectX
12 Ultimate (12_2)
 
12 Ultimate (12_2)
Shader Model
6.5
 
6.5
OpenGL
4.6
 
4.6
OpenCL
2.0
 
2.0
Vulkan
1.2
 
1.2
CUDA
8.5
 
-

Benchmark performance

Non-gaming benchmarks performance of GeForce RTX 3090 and Radeon RX 6800. Note that overall benchmark performance is measured in points in 0-100 range.

Overall benchmark performance

RTX 3090 98.51 +0.5%
RX 6800 98.06

Passmark

RTX 3090 24998 +0.5%
RX 6800 24884

Gaming performance

Let's see how good GeForce RTX 3090 and Radeon RX 6800 are for gaming. Particular gaming benchmark results are measured in FPS.

Advantages of NVIDIA GeForce RTX 3090

0.5% faster in synthetic tests
Wider memory bus (384 vs 256 bit)
More pipelines (10496 vs 3840)
Higher memory bandwidth (936.2 vs 512 GB/s)

Advantages of AMD Radeon RX 6800

Somewhat newer (28 October 2020 vs 24 September 2020)
Cheaper ($579 vs $1499)
Finer manufacturing process technology (7 vs 8 nm)
Less power hungry (250 vs 350 watts)

So, RTX 3090 or RX 6800?

Technical City couldn't decide between NVIDIA GeForce RTX 3090 and AMD Radeon RX 6800. The differences in performance seem too small.
Should you still have questions on choice between GeForce RTX 3090 and Radeon RX 6800, ask them in Comments section, and we shall answer.

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Advices and comments

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