AMD Radeon RX 7900M vs AMD Radeon RX 6850M XT

AMD Radeon RX 7900M
AMD Radeon RX 6850M XT
4608 Shaders
16GB GDDR6
2090MHz
2560 Shaders
12GB GDDR6
2581MHz
FP32
38.52 TFLOPS
FP32
13.22 TFLOPS
FP16
77.05 TFLOPS
FP16
26.43 TFLOPS
Form Factor
Soldered
-
Form Factor
Soldered
-
TDP
180W
TDP
165W
-
-
-
-
-
-
-
-
-
-
GB5 OpenCL N/A
0%
GB5 OpenCL 101,000
33%
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 52,325
25%
OCT 2020.1 N/A
0%
OCT 2020.1 N/A
0%
OCT Metal N/A
0%
OCT Metal 260
44%
Manufacturer
AMD
Manufacturer
AMD
Chip Designer
AMD
Chip Designer
AMD
Architecture
RDNA 3
Architecture
RDNA 2
Family
Radeon RX 7000
Family
Radeon RX 6000
Codename
Plum Bonito
Navi 31
Variant
Navi 31 XL GL
Codename
Navy Flounder
Navi 22
Variant
Navi 22 XMT
Market Segment
Laptop
Market Segment
Laptop
Release Date
10/19/2023
Release Date
1/4/2022
Foundry
TSMC
TSMC Memory Cache Die
Foundry
TSMC
-
Fabrication Node
N5
N6 Memory Cache Die
Fabrication Node
N7
-
Die Size
304 mm²
6x 38 mm² Memory Cache Die
Die Size
335 mm²
-
Transistor Count
45.4 Billion
6x 2.1 Billion Memory Cache Die
Transistor Count
17.2 Billion
-
Transistor Density
149.17M/mm²
54.64M/mm² Memory Cache Die
Transistor Density
51.34M/mm²
-
Form
Soldered
Form
Soldered
Shading Units
4608 Shaders
-
Shading Units
2560 Shaders
-
Texture Mapping Units
288 TMUs
Texture Mapping Units
160 TMUs
Render Output Units
192 ROPs
Render Output Units
64 ROPs
-
-
-
-
Ray-Tracing Cores
72 RT-Cores
Ray-Tracing Cores
40 RT-Cores
-
-
-
-
Compute Units
72 CUs
Compute Units
40 CUs
-
-
-
-
-
-
Graphics Processing Clusters
2 GPCs
-
-
1825MHz Base
2090MHz
-
-
2321MHz Base
2581MHz
-
-
-
-
-
-
-
-
-
-
FP16
77.05 TFLOPS
-
FP16
26.43 TFLOPS
-
-
-
-
-
-
-
FP32
38.52 TFLOPS
FP32
13.22 TFLOPS
-
-
-
-
FP64
1.2 TFLOPS
-
FP64
0.83 TFLOPS
-
-
-
-
-
-
-
-
-
Pixel Fillrate
401.28 GPixel/s
Pixel Fillrate
165.184 GPixel/s
-
-
-
-
Texture Fillrate
601.92 GTexel/s
Texture Fillrate
412.96 GTexel/s
L0
64KB/WGP
L0
32KB/WGP
L1
-
-
-
256KB/Array
L1
-
-
-
128KB/Array
L2
6MB Shared
L2
3MB Shared
L3
64MB Shared
2.33TB/s
L3
96MB Shared
1.25TB/s
16GB
GDDR6
-
12GB
GDDR6
-
Bus Width
256Bit
Bus Width
192Bit
Clock
2250MHz
Transfer Rate
18GT/s
Bandwidth
576GB/s
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
384GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
180W
TDP
165W
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
Max Resolution
15360x8640
Max Resolution
7680x4320
Max Resolution Refresh Rate
165Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
FreeSync
-
Variable Refresh Rate
-
FreeSync
-
Display Stream Compression (DSC)
Supported
Display Stream Compression (DSC)
Supported
Multi Monitor Support
3
Multi Monitor Support
3
Content Protection
HDCP 2.3
Content Protection
HDCP 2.3
Model
VCN 4.0
Model
VCN 3.0
Codec
-
-
-
-
-
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Model
VCN 4.0
Model
VCN 3.0
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
JPEG
VC-1
-
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
2.2
Vulkan
1.3
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.7
-
-
GFX
11
-
-
-
-
Shader Model
6.5
-
-
GFX
10.3
-
-
-
-
Not a Card
-
-
-
Not a Card
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PCIe Version
4.0
PCIe Lanes
16
-
-
PCIe Version
4.0
PCIe Lanes
16
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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Change Comparison