NVIDIA GeForce RTX 4090 vs PowerColor Radeon RX 6800 Red Dragon

NVIDIA GeForce RTX 4090 $1,599
PowerColor Radeon RX 6800 Red Dragon $550
16384 Shaders
24GB GDDR6X
2520MHz
3840 Shaders
16GB GDDR6
2170MHz
FP32
82.58 TFLOPS
FP32
16.67 TFLOPS
FP16
82.58 TFLOPS
FP16
33.33 TFLOPS
Form Factor
PCIe Card
3.0-Slots
Form Factor
PCIe Card
2.7-Slots
TDP
450W
TDP
250W
Power Connectors
-
-
-
1x 16-Pin 12VHPWR
Power Connectors
-
2x 8-Pin
-
-
GB5 OpenCL 305,430
100%
GB5 OpenCL 131,670
43%
GB5 CUDA - N/A
0%
GB5 CUDA - N/A
0%
GB5 Metal - N/A
0%
GB5 Metal 136,110
76%
GB5 Vulkan 205,470
100%
GB5 Vulkan 97,920
48%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal - N/A
0%
OCT Metal 320
54%
Manufacturer
NVIDIA
Manufacturer
PowerColor
Chip Designer
NVIDIA
Chip Designer
AMD
Architecture
Ada Lovelace
Architecture
RDNA 2
Family
GeForce 40
Family
Radeon RX 6000
Codename
NV182
AD102
Variant
AD102-300-A1
Codename
Sienna Cichlid
Navi 21
Variant
Navi 21 XL
Market Segment
Desktop
Market Segment
Desktop
Release Date
10/12/2022
Release Date
11/18/2020
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
4N
-
Fabrication Node
N7
-
Die Size
609 mm²
-
Die Size
520 mm²
-
Transistor Count
76.3 Billion
-
Transistor Count
26.8 Billion
-
Transistor Density
125.29M/mm²
-
Transistor Density
51.56M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
16384 Shaders
-
Shading Units
3840 Shaders
-
Texture Mapping Units
512 TMUs
Texture Mapping Units
240 TMUs
Render Output Units
192 ROPs
Render Output Units
96 ROPs
Tensor Cores
512 T-Cores
-
-
Ray-Tracing Cores
128 RT-Cores
Ray-Tracing Cores
60 RT-Cores
Streaming Multiprocessors
128 SMs
-
-
-
-
Compute Units
60 CUs
-
-
-
-
Graphics Processing Clusters
11 GPCs
Graphics Processing Clusters
4 GPCs
-
-
2230MHz Base
2520MHz
-
-
1850MHz Base
2170MHz
-
-
-
-
FP8
-
660.6 TFLOPS Tensor
-
-
-
FP16
82.58 TFLOPS
330.3 TFLOPS Tensor
FP16
33.33 TFLOPS
-
-
-
-
-
-
-
FP32
82.58 TFLOPS
FP32
16.67 TFLOPS
TF32
165.15 TFLOPS
-
-
FP64
1.29 TFLOPS
-
FP64
1.04 TFLOPS
-
-
-
-
-
Ray Tracing
190.9 TOPS
-
-
Pixel Fillrate
483.84 GPixel/s
Pixel Fillrate
208.32 GPixel/s
-
-
-
-
Texture Fillrate
1290.24 GTexel/s
Texture Fillrate
520.8 GTexel/s
-
-
L0
32KB/WGP
L1
64KB/SM Tex
128KB/SM
-
-
L1
-
-
-
128KB/Array
L2
72MB Shared
L2
4MB Shared
-
-
-
L3
128MB Shared
1.66TB/s
24GB
GDDR6X
-
16GB
GDDR6
-
Bus Width
384Bit
Bus Width
256Bit
Clock
1313MHz
Transfer Rate
21GT/s
Bandwidth
1008GB/s
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
512GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
450W
TDP
250W
Temp
90°C Max
Temp
110°C Max
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
-
-
Max Resolution
7680x4320
Max Resolution
7680x4320
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
120Hz
Variable Refresh Rate
G-Sync
FreeSync
-
Variable Refresh Rate
-
FreeSync
-
Display Stream Compression (DSC)
Supported
Display Stream Compression (DSC)
Supported
Multi Monitor Support
4
Multi Monitor Support
4
Content Protection
HDCP 2.3
Content Protection
HDCP 2.3
Model
2x NVENC 8
Model
VCN 3.0
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Model
NVDEC 5
Model
VCN 3.0
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
VP8
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
Direct X
12
Direct 3D
12_3
Direct X
12
Direct 3D
12_2
OpenGL
4.6
OpenCL
3.0
Vulkan
1.3
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.6
CUDA
8.9
-
-
PureVideo HD
VP12
VDPAU
Feature Set L
Shader Model
6.5
-
-
GFX
10.3
-
-
-
-
-
-
-
2x Fans
-
-
-
3x Fans
Power Connectors
-
-
-
-
-
-
1x 16-Pin 12VHPWR
Power Connectors
-
-
-
2x 8-Pin
-
-
-
Slots Required
3.0
PCIe Version
4.0
PCIe Lanes
16
Slots Required
2.7
PCIe Version
4.0
PCIe Lanes
16
-
-
-
-
Multi GPU Support
Supported
Type
Bridgeless
Height
137 mm (5.39 in)
Width
304 mm (11.97 in)
Depth
61 mm (2.4 in)
Height
135 mm (5.31 in)
Width
310 mm (12.2 in)
Depth
54 mm (2.13 in)
Change Comparison