iMac 24 (M4, Four Ports, Late 2024) vs iMac 27 (Late 2015)

iMac 24 (M4, Four Ports, Late 2024) $1,499
iMac 27 (Late 2015) $1,799
Base Price (MSRP)
$1,499
Base Price (MSRP)
$1,799
CPU
M4 (10C10G)
CPU
Core i5-6500
GPU
10-Core M4
GPU
Radeon R9 M380
Memory
16GB
Memory
8GB
Storage
256GB
Storage
128GB
Display
23.5" LCD IPS 4480×2520
Display
27" LCD IPS 5120×2880

GB6 Single-Core

  • 3.14x faster vs iMac 27 (Late 2015)
  • 68% slower vs iMac 24 (M4, Four Ports, Late 2024)
iMac 24 (M4, Four Ports, Late 2024) - GB6S 3,765
x3.14
iMac 27 (Late 2015) - GB6S 1,200
x1

GB6 Multi-Core

  • 4.5x faster vs iMac 27 (Late 2015)
  • 78% slower vs iMac 24 (M4, Four Ports, Late 2024)
iMac 24 (M4, Four Ports, Late 2024) - GB6M 14,675
x4.5
iMac 27 (Late 2015) - GB6M 3,260
x1

FP32

  • 3.27x faster vs iMac 27 (Late 2015)
  • 69% slower vs iMac 24 (M4, Four Ports, Late 2024)
iMac 24 (M4, Four Ports, Late 2024) - 3.76 TFLOPS FP32
x3.27
iMac 27 (Late 2015) - 1.15 TFLOPS FP32
x1
CPU Image
M4 (10C10G)
10 Cores
10 Threads
4.4GHz Clock
CPU Image
Core i5-6500
4 Cores
4 Threads
3.2GHz Clock
M4 (10C10G) vs Core i5-6500 Full Specs Comparison
GPU Image
10-Core M4
1280 Shaders
1470MHz
Shared Memory
GPU Image
Radeon R9 M380
640 Shaders
900MHz
4GB GDDR5
96GB/s Bandwidth
3.76 TFLOPS FP32
8%
1.15 TFLOPS FP32
2%
10-Core M4 vs Radeon R9 M380 Full Specs Comparison
16GB
LPDDR5X-7500
8GB
DDR3-1866
56 Tabs
11%
24 Tabs
5%
256GB
Soldered
PCIe 3.0 x4
Up to 1.4GB/s Read
128GB
Proprietary Apple 12+16 Pin
PCIe 3.0 x4
Up to 1.3GB/s Read
442 min 4K Video
11%
186 min 4K Video
5%
23.5"
LCD IPS
27"
LCD IPS
23.5"
27"
Area
236 in² (1522.4 cm²)
16:9 Aspect Ratio
Area
311.5 in² (2009.7 cm²)
16:9 Aspect Ratio
Brightness
500 Nits
Brightness
400 Nits
Refresh Rate
60Hz
Refresh Rate
60Hz
Response Time
29ms GtG
-
-
Resolution
4480×2520
11.3 Million Pixels
219 PPI
Resolution
5120×2880
14.7 Million Pixels
218 PPI
4480×2520
5120×2880
LED Backlight
1,400:1 Contrast
LED Backlight
1,000:1 Contrast
Viewing Angles
178° Horizontal
178° Vertical
Viewing Angles
178° Horizontal
178° Vertical
Colour Depth
10-bit
Colour Depth
8-bit
Coverage
100% sRGB
99% DCI-P3
88% Adobe RGB
Coverage
100% sRGB
99% DCI-P3
88% Adobe RGB
Accuracy
dE 1.1 Avg
dE 2.0 Max
dE 1.50 Greyscale
2.16 Gamma
6730K
-
-
-
-
-
-
Coating
Glossy Anti-Reflective
Fully Laminated
Coating
Glossy Anti-Reflective
Fully Laminated
4480×2520
5120×2880
1080p
720p
Magic Keyboard with Touch ID
Magic Keyboard
Magic Mouse
Magic Mouse 2
Fingerprint
No Biometrics
6
2
3
2
No Cellular
No Cellular
Wi-Fi 6E (802.11ax)
2 Stream
Up to 2400Mbps
Wi-Fi 5 (802.11ac)
3 Stream
Up to 1300Mbps
Bluetooth 5.3
Bluetooth 4.0
Integrated Chipset
Z170
Data
-
-
4x Thunderbolt 4 (40Gbps)
Data
4x USB 3.0 (5Gbps)
2x Thunderbolt 2 (20Gbps)
-
Network
1x Ethernet (1Gbps)
Network
1x Ethernet (1Gbps)
Audio
1x Audio Jack
Audio
1x Audio Jack
-
-
Card
1x SDXC Card
External
310W
143W
15.90V
9.00A
Not Included
-
-
MagSafe iMac
Ethernet 1G
2.0M (7 ft) Cable
-
-
-
macOS 15 Sequoia
OS X 10.11 El Capitan
Windows
macOS 12 Monterey (Latest)
Windows 10 (Latest)
Build Material
Aluminum
Build Material
Aluminum
Height
461 mm (18.1 in)
Width
547 mm (21.5 in)
Depth
147 mm (5.8 in)
Volume
37.07 L
Height
516 mm (20.3 in)
Width
650 mm (25.6 in)
Depth
203 mm (8 in)
Volume
68.13 L
Weight
4.44 kg (9.8 lb)
Weight
9.525 kg (21 lb)
CPU
Not Upgradable
CPU
Upgradable
GPU
Not Upgradable
GPU
Not Upgradable
Memory
Not Upgradable
Memory
Upgradable
Storage
Not Upgradable
Storage
Upgradable
Wi-Fi
Not Upgradable
Wi-Fi
Not Upgradable
Motherboard
Not Upgradable
Motherboard
Not Upgradable
Power Supply
Upgradable
Power Supply
Not Upgradable
-
-
Memory Slots
4x SO-DIMM
A1419
EMC 2834
iMac17,1
Change Comparison