AMD Radeon RX 6650 XT vs NVIDIA GeForce RTX 3080 12GB

AMD Radeon RX 6650 XT $399
NVIDIA GeForce RTX 3080 12GB $999
2048 Shaders
8GB GDDR6
2635MHz
8960 Shaders
12GB GDDR6X
1710MHz
Peak AI Performance
21.59 TFLOPS
FP16
Peak AI Performance
980.58 TOPS
INT4 Tensor Sparse
FP32
10.79 TFLOPS
FP32
30.64 TFLOPS
FP16
21.59 TFLOPS
FP16
30.64 TFLOPS
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
180W
TDP
350W
Power Connectors
-
1x 8-Pin
-
-
Power Connectors
-
-
1x 12-Pin
-
GB6 OpenCL N/A
0%
GB6 Metal N/A
0%
GB6 Vulkan N/A
0%
GB5 OpenCL 93,210
31%
GB5 OpenCL 186,590
61%
GB5 CUDA N/A
0%
GB5 CUDA 207,975
59%
GB5 Metal N/A
0%
GB5 Metal N/A
0%
GB5 Vulkan 66,515
32%
GB5 Vulkan 125,525
61%
OCT 2020.1 N/A
0%
OCT 2020.1 595
78%
OCT Metal 190
32%
OCT Metal N/A
0%
Manufacturer
AMD
Manufacturer
NVIDIA
Chip Designer
AMD
Chip Designer
NVIDIA
Architecture
RDNA 2
Architecture
Ampere
Family
Radeon RX 6000
Family
GeForce 30
Codename
Dimgrey Cavefish
Navi 23
Variant
Navi 23 KXT
Codename
NV172
GA102
Variant
GA102-220-A1
Market Segment
Desktop
Market Segment
Desktop
Release Date
5/10/2022
Release Date
1/27/2022
Foundry
TSMC
-
Foundry
Samsung
-
Fabrication Node
N7
-
Fabrication Node
8N
-
Die Size
237 mm²
-
Die Size
628 mm²
-
Transistor Count
11.1 Billion
-
Transistor Count
28.3 Billion
-
Transistor Density
46.67M/mm²
-
Transistor Density
45.04M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
2048 Shaders
-
Shading Units
8960 Shaders
-
Texture Mapping Units
128 TMUs
Texture Mapping Units
280 TMUs
Render Output Units
64 ROPs
Render Output Units
112 ROPs
-
-
Tensor Cores
280 T-Cores
Ray-Tracing Cores
32 RT-Cores
Ray-Tracing Cores
70 RT-Cores
-
-
Streaming Multiprocessors
70 SMs
Compute Units
32 CUs
-
-
-
-
-
-
Graphics Processing Clusters
1 GPC
Graphics Processing Clusters
7 GPCs
-
-
2055MHz Base
2635MHz
-
-
1260MHz Base
1710MHz
Peak AI Performance
21.59 TFLOPS
FP16
Peak AI Performance
980.58 TOPS
INT4 Tensor Sparse
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
FP16
21.59 TFLOPS
-
-
-
-
FP16
30.64 TFLOPS
122.57 TFLOPS Tensor (FP16 Accumulate)
245.15 TFLOPS Tensor (FP16 Accumulate) Sparse
61.29 TFLOPS Tensor (FP32 Accumulate)
122.57 TFLOPS Tensor (FP32 Accumulate) Sparse
FP32
10.79 TFLOPS
-
-
FP32
30.64 TFLOPS
-
-
FP64
680 GFLOPS
-
FP64
480 GFLOPS
-
-
-
-
-
BF16
30.64 TFLOPS
61.29 TFLOPS Tensor
122.57 TFLOPS Tensor Sparse
-
-
-
TF32
30.64 TFLOPS Tensor
61.29 TFLOPS Tensor Sparse
-
-
-
INT4
490.29 TOPS Tensor
980.58 TOPS Tensor Sparse
-
-
-
-
INT8
-
245.15 TOPS Tensor
490.29 TOPS Tensor Sparse
-
-
INT32
15.32 TOPS
-
-
Ray Tracing
59.9 TOPS
Pixel Fillrate
168.64 GPixel/s
Pixel Fillrate
191.52 GPixel/s
-
-
-
-
Texture Fillrate
337.28 GTexel/s
Texture Fillrate
478.8 GTexel/s
L0
32KB/WGP
-
-
L1
-
-
-
128KB/Array
L1
64KB/SM Tex
128KB/SM
-
-
L2
2MB Shared
L2
5MB Shared
L3
32MB Shared
0.83TB/s
-
-
-
8GB
GDDR6
-
12GB
GDDR6X
-
Bus Width
128Bit
Bus Width
384Bit
Clock
2190MHz
Transfer Rate
17.5GT/s
Bandwidth
280.3GB/s
Clock
1188MHz
Transfer Rate
19GT/s
Bandwidth
912GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
180W
TDP
350W
Temp
110°C Max
Temp
93°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
120Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
FreeSync
-
Variable Refresh Rate
G-Sync
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
VCN 3.0
Model
NVENC 7
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Model
VCN 3.0
Model
NVDEC 5
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
VP8
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
Direct X
12
Direct 3D
12_2
Direct X
12
Direct 3D
12_2
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
Shader Model
6.5
-
-
GFX
10.3
-
-
-
-
Shader Model
6.6
CUDA
8.6
-
-
PureVideo HD
VP11
VDPAU
Feature Set K
-
-
-
2x Fans
-
-
-
2x Fans
Power Connectors
-
-
-
1x 8-Pin
-
-
-
Power Connectors
-
-
-
-
-
1x 12-Pin
-
Slots Required
2.0
PCIe Version
4.0
PCIe Lanes
8
Slots Required
2.0
PCIe Version
4.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
Bridgeless
-
-
-
-
Height
110 mm (4.33 in)
Width
190 mm (7.48 in)
Depth
40 mm (1.57 in)
Height
112 mm (4.41 in)
Width
285 mm (11.22 in)
Depth
40 mm (1.57 in)
Change Comparison