NVIDIA 8x GeForce RTX 4090 vs Sapphire Radeon RX 6900 XT Nitro+

NVIDIA 8x GeForce RTX 4090 $12,792
Sapphire Radeon RX 6900 XT Nitro+ $820
8x 16384 Shaders
192GB (8x 24GB) GDDR6X
2520MHz
5120 Shaders
16GB GDDR6
2285MHz
Peak AI Performance
21.14 POPS
INT4 Tensor Sparse
Peak AI Performance
46.8 TFLOPS
FP16
FP32
660.6 TFLOPS
FP32
23.4 TFLOPS
FP16
660.6 TFLOPS
FP16
46.8 TFLOPS
Form Factor
PCIe Card
8x 3.0-Slots
Form Factor
PCIe Card
2.7-Slots
TDP
3600W
TDP
340W
Power Connectors
-
-
-
1x 16-Pin 12VHPWR
Power Connectors
-
2x 8-Pin
-
-
GB6 OpenCL N/A
0%
GB6 OpenCL N/A
0%
GB6 Metal N/A
0%
GB6 Metal N/A
0%
GB6 Vulkan N/A
0%
GB6 Vulkan N/A
0%
GB5 OpenCL N/A
0%
GB5 OpenCL 167,685
55%
GB5 CUDA N/A
0%
GB5 CUDA N/A
0%
GB5 Metal N/A
0%
GB5 Metal 165,075
92%
GB5 Vulkan N/A
0%
GB5 Vulkan 115,815
56%
OCT 2020.1 N/A
0%
OCT 2020.1 N/A
0%
OCT Metal N/A
0%
OCT Metal 395
67%
Manufacturer
NVIDIA
Manufacturer
Sapphire
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 XTX
Market Segment
Desktop
Market Segment
Desktop
Release Date
10/12/2022
Release Date
12/8/2020
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
4N
-
Fabrication Node
N7
-
Die Size
8x 608 mm²
-
Die Size
520 mm²
-
Transistor Count
8x 76.3 Billion
-
Transistor Count
26.8 Billion
-
Transistor Density
125.41M/mm²
-
Transistor Density
51.56M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
8x 16384 Shaders
-
Shading Units
5120 Shaders
-
Texture Mapping Units
8x 512 TMUs
Texture Mapping Units
320 TMUs
Render Output Units
8x 176 ROPs
Render Output Units
128 ROPs
Tensor Cores
8x 512 T-Cores
-
-
Ray-Tracing Cores
8x 128 RT-Cores
Ray-Tracing Cores
80 RT-Cores
Streaming Multiprocessors
8x 128 SMs
-
-
-
-
Compute Units
80 CUs
-
-
-
-
Graphics Processing Clusters
8x 11 GPCs
Graphics Processing Clusters
4 GPCs
-
-
2230MHz Base
2520MHz
-
-
1825MHz Base
2285MHz
Peak AI Performance
21.14 POPS
INT4 Tensor Sparse
Peak AI Performance
46.8 TFLOPS
FP16
-
-
-
-
-
-
FP8
-
5.28 PFLOPS Tensor (FP16 Accumulate)
10.57 PFLOPS Tensor (FP16 Accumulate) Sparse
2.64 PFLOPS Tensor (FP32 Accumulate)
5.28 PFLOPS Tensor (FP32 Accumulate) Sparse
-
-
-
-
-
-
FP16
660.6 TFLOPS
2.64 PFLOPS Tensor (FP16 Accumulate)
5.28 PFLOPS Tensor (FP16 Accumulate) Sparse
1.32 PFLOPS Tensor (FP32 Accumulate)
2.64 PFLOPS Tensor (FP32 Accumulate) Sparse
FP16
46.8 TFLOPS
-
-
-
-
FP32
660.6 TFLOPS
-
-
FP32
23.4 TFLOPS
-
-
FP64
10.32 TFLOPS
-
FP64
1.46 TFLOPS
-
BF16
660.6 TFLOPS
1.32 PFLOPS Tensor
2.64 PFLOPS Tensor Sparse
-
-
-
-
TF32
660.6 TFLOPS Tensor
1.32 PFLOPS Tensor Sparse
-
-
-
INT4
10.57 POPS Tensor
21.14 POPS Tensor Sparse
-
-
-
INT8
-
5.28 POPS Tensor
10.57 POPS Tensor Sparse
-
-
-
-
INT32
330.3 TOPS
-
-
Ray Tracing
190.9 TOPS
-
-
Pixel Fillrate
443.52 GPixel/s
Pixel Fillrate
292.48 GPixel/s
-
-
-
-
Texture Fillrate
1290.24 GTexel/s
Texture Fillrate
731.2 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
192GB (8x 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
3600W
TDP
340W
Temp
90°C Max
Temp
110°C Max
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
24x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
-
8x 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
134.3 mm (5.29 in)
Width
310 mm (12.2 in)
Depth
55.3 mm (2.18 in)
Change Comparison