M3 Ultra (32C80G) vs AMD Ryzen 9 7950X

M3 Ultra (32C80G)
AMD Ryzen 9 7950X $699
32 Cores
32 Threads
4.05GHz Clock
16 Cores
32 Threads
4.5GHz Clock
Socket
Unknown
Socket
AM5
iGPU
80-Core M3 Ultra
28.63 TFLOPS FP32
iGPU
Radeon 2CU 2200MHz RDNA 2
560 GFLOPS FP32
GB6S 3,220
79%
GB6M 27,750
104%
CB23S N/A
0%
CB23S 2,055
79%
CB23M N/A
0%
CB23M 37,520
87%
Manufacturer
Apple
Manufacturer
AMD
Architecture
Apple Silicon 13
Architecture
Zen 4
Family
M Series
Family
Ryzen 7000
Instruction Set (ISA)
AArch64
Instruction Set (ISA)
x86-64
Codename
Palma
-
M3 Ultra
P-Core
AS13P
-
-
E-Core
AS13E
Codename
Raphael
Durango
Raphael 2CCD
-
-
-
-
-
-
Market Segment
Desktop
Market Segment
Desktop
Release Date
3/5/2025
Release Date
9/27/2022
Foundry
TSMC
-
-
-
Foundry
TSMC
TSMC (IO Die)
-
-
Node
N3B
-
-
-
Node
N5
N6 (IO Die)
-
-
Die Size
1005 mm²
-
-
-
Die Size
2x 71 mm²
122 mm² (IO Die)
-
-
Transistor Count
184 Billion
-
-
-
Transistor Count
2x 6.6 Billion
3.4 Billion (IO Die)
-
-
Unknown
AM5
32 Cores
24 P-Cores
-
8 E-Cores
16 Cores
-
-
-
32 Threads
24 P-Threads
-
8 E-Threads
32 Threads
-
-
-
P-Core
4.05GHz
-
-
-
4.5GHz
5.7GHz Boost
-
-
-
-
-
-
-
E-Core
2.75GHz
-
-
-
-
Overclocking
Locked
-
-
-
Overclocking
Unlocked
-
-
-
Integrated Chipset
-
Type
PCIe
-
-
-
-
-
-
-
-
-
-
Transfer Rate
32GT/s
-
-
-
-
-
-
Lanes
4
-
-
Bandwidth
16GB/s
-
-
Bi-directional
32GB/s
L0 Instruction
-
-
L0 Instruction
-
-
L0 Data
-
-
L0 Data
-
-
L1 Instruction
192KB/P-Core
6-way set associative
-
-
128KB/E-Core
4-way set associative
L1 Instruction
32KB/Core
8-way set associative
-
-
-
-
L1 Data
128KB/P-Core
4-way set associative
-
-
64KB/E-Core
2-way set associative
L1 Data
32KB/Core
8-way set associative
-
-
-
-
L2
-
-
64MB Shared
16-way set associative
-
-
-
-
-
-
4MB Shared (E-Core)
16-way set associative
L2
1024KB/Core
8-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
L3
-
64MB Shared
-
16-way set associative
-
-
-
-
-
-
-
-
96MB SLC Cache
-
-
-
-
Channels
8
Channels
2
Max Memory
128GB
Max Memory
192GB
ECC
Not Supported
ECC
Supported
Bus Width/Channel
128Bit
Bus Width
1024Bit
Bus Width/Channel
64Bit
Bus Width
128Bit
Clock
3200MHz
Transfer Rate
6400MT/s
Clock
2600MHz
Transfer Rate
5200MT/s
Bandwidth/Channel
102.4GB/s
Bandwidth
819.2GB/s
Bandwidth/Channel
41.6GB/s
Bandwidth
83.2GB/s
TDP
180W
-
-
-
TDP
170W
-
-
230W Peak
Temp
100°C Max
-
Temp
95°C Max
-
Included Cooler
Not Included
Included Cooler
Not Included
No PCIe
PCIe 5.0 x24 Lanes
80-Core M3 Ultra
10240 Shaders
1398MHz
28.63 TFLOPS FP32
Radeon 2CU 2200MHz RDNA 2
128 Shaders
2200MHz
560 GFLOPS FP32
-
No NPU
-
-
32 Cores
-
-
36 TOPS FP16
-
-
-
-
-
No Cellular
No Cellular
Change Comparison