ATI Radeon HD 5870 Mac Edition vs AMD Radeon R9 M390X
GPU Specs Compare
Graphics Card
Release Date
Jun 2010
May 2015
Generation
Evergreen
Crystal System
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1195 MHz
1250 MHz
Memory
Memory Size
1024MB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
153.0GB/s
160.0GB/s
Render Config
Compute Units
20
32
Shading Units
1600
2048
TMUs
80
128
ROPs
32
32
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
27.20 GPixel/s
23.14 GPixel/s
Texture Rate
68.00 GTexel/s
92.54 GTexel/s
FP32 (float)
2.720 TFLOPS
2.961 TFLOPS
FP64 (double)
544.0 GFLOPS
185.1 GFLOPS
FP16 (half)
-
2.961 TFLOPS
Graphics Processor
GPU Name
Cypress
Amethyst
GPU Variant
Cypress XT(215-0735033)
Amethyst XT
Architecture
TeraScale 2
GCN 3.0
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
2.154 billion
5 billion
Die Size
334 mm²
366 mm²
Board Design
TDP
228W
75W
Suggested PSU
550 W
-
Outputs
1x DVI2x mini-DisplayPort 1.1
No outputs
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
11.2 (11_0)
12 (12_0)
OpenGL
4.4
4.6
OpenCL
1.2
2.0
Vulkan
N/A
1.2
Shader Model
5.0
6.3