AMD Radeon R9 360 OEM vs AMD Radeon HD 8990 OEM
GPU Specs Compare
Graphics Card
Release Date
May 2015
Apr 2013
Generation
Pirate Islands
Sea Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
950 MHz
Boost Clock
1050 MHz
1000 MHz
Memory Clock
1625 MHz
1500 MHz
Memory
Memory Size
2GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
384bit
Bandwidth
104.0GB/s
288.0GB/s
Render Config
Compute Units
12
32
Shading Units
768
2048
TMUs
48
128
ROPs
16
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
768 KB
Theoretical Performance
Pixel Rate
16.80 GPixel/s
32.00 GPixel/s
Texture Rate
50.40 GTexel/s
128.0 GTexel/s
FP32 (float)
1.613 TFLOPS
4.096 TFLOPS
FP64 (double)
100.8 GFLOPS
1024 GFLOPS
Graphics Processor
GPU Name
Tobago
Malta
GPU Variant
Tobago PRO(215-0875010)
Malta XT(215-0849026)
Architecture
GCN 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.08 billion
4.313 billion
Die Size
160 mm²
365 mm²
Board Design
TDP
85W
375W
Suggested PSU
250 W
750 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x DVI4x mini-DisplayPort 1.2
Power Connectors
1x 6-pin
2x 8-pin
Graphics Features
DirectX
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.0
1.2
Vulkan
1.2
1.2
Shader Model
6.3
5.1