NVIDIA 8x GeForce RTX 4090 vs XFX Radeon RX 6600 XT Speedster MERC 308
NVIDIA 8x GeForce RTX 4090
$12,792
XFX Radeon RX 6600 XT Speedster MERC 308
$379
|
8x 16384 Shaders
192GB (8x 24GB) GDDR6X
2520MHz
|
2048 Shaders
8GB GDDR6
2607MHz
|
|
Peak AI Performance
21.14 POPS
INT4 Tensor Sparse
|
Peak AI Performance
21.36 TFLOPS
FP16
|
|
FP32
660.6 TFLOPS
|
FP32
10.68 TFLOPS
|
|
FP16
660.6 TFLOPS
|
FP16
21.36 TFLOPS
|
|
Form Factor
PCIe Card
8x 3.0-Slots
|
Form Factor
PCIe Card
2.5-Slots
|
|
TDP
3600W
|
TDP
160W
|
|
Power Connectors
-
-
-
1x 16-Pin 12VHPWR
|
Power Connectors
-
1x 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 93,045
30%
|
|
GB5 CUDA N/A
0%
|
GB5 CUDA N/A
0%
|
|
GB5 Metal N/A
0%
|
GB5 Metal N/A
0%
|
|
GB5 Vulkan N/A
0%
|
GB5 Vulkan 66,395
32%
|
|
OCT 2020.1 N/A
0%
|
OCT 2020.1 N/A
0%
|
|
OCT Metal N/A
0%
|
OCT Metal 215
37%
|
|
Manufacturer
NVIDIA
|
Manufacturer
XFX
|
|
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
Dimgrey Cavefish
Navi 23
Variant
Navi 23 XT
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
10/12/2022
|
Release Date
8/11/2021
|
|
Foundry
TSMC
-
|
Foundry
TSMC
-
|
|
Fabrication Node
4N
-
|
Fabrication Node
N7
-
|
|
Die Size
8x 608 mm²
-
|
Die Size
237 mm²
-
|
|
Transistor Count
8x 76.3 Billion
-
|
Transistor Count
11.1 Billion
-
|
|
Transistor Density
125.41M/mm²
-
|
Transistor Density
46.67M/mm²
-
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
8x 16384 Shaders
-
|
Shading Units
2048 Shaders
-
|
|
Texture Mapping Units
8x 512 TMUs
|
Texture Mapping Units
128 TMUs
|
|
Render Output Units
8x 176 ROPs
|
Render Output Units
64 ROPs
|
|
Tensor Cores
8x 512 T-Cores
|
-
-
|
|
Ray-Tracing Cores
8x 128 RT-Cores
|
Ray-Tracing Cores
32 RT-Cores
|
|
Streaming Multiprocessors
8x 128 SMs
|
-
-
|
|
-
-
|
Compute Units
32 CUs
|
|
-
-
|
-
-
|
|
Graphics Processing Clusters
8x 11 GPCs
|
Graphics Processing Clusters
1 GPC
|
|
-
-
2230MHz Base
2520MHz
|
-
-
2188MHz Base
2607MHz
|
|
Peak AI Performance
21.14 POPS
INT4 Tensor Sparse
|
Peak AI Performance
21.36 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
21.36 TFLOPS
-
-
-
-
|
|
FP32
660.6 TFLOPS
-
-
|
FP32
10.68 TFLOPS
-
-
|
|
FP64
10.32 TFLOPS
-
|
FP64
670 GFLOPS
-
|
|
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
166.848 GPixel/s
|
|
-
-
|
-
-
|
|
Texture Fillrate
1290.24 GTexel/s
|
Texture Fillrate
333.696 GTexel/s
|
|
-
-
|
L0
32KB/WGP
|
|
L1
64KB/SM Tex
128KB/SM
-
-
|
L1
-
-
-
128KB/Array
|
|
L2
72MB Shared
|
L2
2MB Shared
|
|
-
-
-
|
L3
32MB Shared
0.83TB/s
|
|
192GB (8x 24GB)
GDDR6X
-
|
8GB
GDDR6
-
|
|
Bus Width
384Bit
|
Bus Width
128Bit
|
|
Clock
1313MHz
Transfer Rate
21GT/s
Bandwidth
1008GB/s
|
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
256GB/s
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
TDP
3600W
|
TDP
160W
|
|
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
-
-
-
1x 8-Pin
-
-
-
|
|
Slots Required
3.0
PCIe Version
4.0
PCIe Lanes
16
|
Slots Required
2.5
PCIe Version
4.0
PCIe Lanes
8
|
|
-
-
-
-
|
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
114 mm (4.49 in)
Width
274 mm (10.79 in)
Depth
50 mm (1.97 in)
|
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