NVIDIA GeForce RTX 3090 vs AMD Radeon RX 6800 XT

General info

Comparison of GeForce RTX 3090 and Radeon RX 6800 XT architecture, market type and release date.
Place in performance rating
 
Value for money (0-100)
1.46
 
no data
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
 
$649
Price now
$2547
 
no data

Technical specs

GeForce RTX 3090 and Radeon RX 6800 XT'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 XT's performance, but for precise assessment you have to consider its benchmark and gaming test results.
Pipelines
10496
 
4608
Core clock speed
1400 MHz
 
1825 MHz
Boost Clock
1700 MHz
 
2250 MHz
Transistor count
28,300 million
 
26,800 million
Manufacturing process technology
8 nm
 
7 nm
Power consumption (TDP)
350 Watt
 
300 Watt
Texture fill rate
556.0
 
648.0

Compatibility, dimensions and requirements

Information on GeForce RTX 3090 and Radeon RX 6800 XT 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 XT: 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 XT. 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 XT, 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 XT. Note that overall benchmark performance is measured in points in 0-100 range.

Overall benchmark performance

RTX 3090 98.79
RX 6800 XT 100.00 +1.2%

3DMark Fire Strike Score

RTX 3090 30247
RX 6800 XT 38659 +27.8%

3DMark Fire Strike Graphics

RTX 3090 43404
RX 6800 XT 49735 +14.6%

3DMark 11 Performance GPU

RTX 3090 58698 +12.8%
RX 6800 XT 52046

Passmark

RTX 3090 24921
RX 6800 XT 25229 +1.2%

Gaming performance

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

Advantages of NVIDIA GeForce RTX 3090

Wider memory bus (384 vs 256 bit)
More pipelines (10496 vs 4608)
Higher memory bandwidth (936.2 vs 512 GB/s)

Advantages of AMD Radeon RX 6800 XT

1.2% faster in synthetic tests
Somewhat newer (28 October 2020 vs 24 September 2020)
Cheaper ($649 vs $1499)
Finer manufacturing process technology (7 vs 8 nm)
Less power hungry (300 vs 350 watts)

So, RTX 3090 or RX 6800 XT?

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

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