AMD Radeon HD 8870 OEM vs AMD Radeon R7 360 896SP
GPU Specs Compare
Graphics Card
Release Date
Jan 2013
Jun 2015
Generation
Sea Islands
Pirate Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1200 MHz
1500 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
153.6GB/s
96.00GB/s
Render Config
Compute Units
20
14
Shading Units
1280
896
TMUs
80
56
ROPs
32
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
256 KB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
17.60 GPixel/s
Texture Rate
80.00 GTexel/s
61.60 GTexel/s
FP32 (float)
2.560 TFLOPS
1.971 TFLOPS
FP64 (double)
160.0 GFLOPS
123.2 GFLOPS
Graphics Processor
GPU Name
Pitcairn
Tobago
GPU Variant
Pitcairn XT(215-0828047)
Tobago XT
Architecture
GCN 1.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
2.08 billion
Die Size
212 mm²
160 mm²
Board Design
TDP
175W
85W
Suggested PSU
450 W
250 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
2x 6-pin
1x 6-pin
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
1.2
2.0
Vulkan
1.2
1.2
Shader Model
5.1
6.3