AMD Radeon R9 390 X2 vs ATI Radeon HD 5870 Mac Edition
GPU Specs Compare
Graphics Card
Release Date
Sep 2015
Jun 2010
Generation
Pirate Islands
Evergreen
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Memory Clock
1350 MHz
1195 MHz
Memory
Memory Size
8GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
512bit
256bit
Bandwidth
345.6GB/s
153.0GB/s
Render Config
Compute Units
40
20
Shading Units
2560
1600
TMUs
160
80
ROPs
64
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
1024 KB
512 KB
Theoretical Performance
Pixel Rate
64.00 GPixel/s
27.20 GPixel/s
Texture Rate
160.0 GTexel/s
68.00 GTexel/s
FP32 (float)
5.120 TFLOPS
2.720 TFLOPS
FP64 (double)
640.0 GFLOPS
544.0 GFLOPS
Graphics Processor
GPU Name
Grenada
Cypress
GPU Variant
Grenada PRO(215-0880030)
Cypress XT(215-0735033)
Architecture
GCN 2.0
TeraScale 2
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
6.2 billion
2.154 billion
Die Size
438 mm²
334 mm²
Board Design
TDP
580W
228W
Suggested PSU
950 W
550 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x DVI2x mini-DisplayPort 1.1
Power Connectors
4x 8-pin
2x 6-pin
Graphics Features
DirectX
12 (12_0)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.0
1.2
Vulkan
1.2
N/A
Shader Model
6.3
5.0