GeForce GTX 590 and Radeon R9 M295X Mac Edition - video card comparison
GeForce GTX 590
Radeon R9 M295X Mac Edition
Architecture
Fermi (2010−2014)
GCN 3.0 (2014−2017)
GPU code name
GF110
Amethyst
Market segment
Desktop
Desktop
Release date
March 2011
November 2014
Bus support
16x PCI-E 2.0
-
Interface
PCIe 2.0 x16
MXM-B (3.0)
Supplementary power connectors
Two 8-pin
-
SLI options
+
-
Core clock speed
607 MHz
850 MHz
CUDA cores
1024
-
Floating-point performance
2x 1,244.2 gflops
3,482 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
3,000 million
5,000 million
Pipelines / CUDA cores
1024
2048
Power consumption (TDP)
365 Watt
250 Watt
Maximum GPU temperature
97 °C
-
Texture fill rate
77.7 billion/sec
108.8
Memory type
GDDR5
GDDR5
Maximum RAM amount
3072 MB (1536 MB per GPU)
4 GB
Memory bus width
768-bit (384-bit per GPU)
256 Bit
Memory clock speed
1707 MHz
5448 MHz
Memory bandwidth
327.7 GB/s
174.3 GB/s
Shared memory
-
-
Display Connectors
Three Dual Link DVI-IMini DisplayPort
No outputs
Multi monitor support
+
-
HDMI
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (12_0)
CUDA
+
-
OpenCL
1.1
2.0
OpenGL
4.2
4.6
Shader Model
5.1
6.3
Vulkan
N/A
1.2.131