AMD Radeon R9 380 OEM vs AMD Radeon E8870
GPU · Specs Compare
Graphics Card
Release Date
May 2015
Sep 2015
Generation
Pirate Islands
Embedded
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1375 MHz
1500 MHz
Memory
Memory Size
4GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
176.0GB/s
96.00GB/s
Render Config
Compute Units
28
12
Shading Units
1792
768
TMUs
112
48
ROPs
32
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
256 KB
Theoretical Performance
Pixel Rate
29.38 GPixel/s
16.00 GPixel/s
Texture Rate
102.8 GTexel/s
48.00 GTexel/s
FP16 (half)
3.290 TFLOPS
—
FP32 (float)
3.290 TFLOPS
1.536 TFLOPS
FP64 (double)
205.6 GFLOPS
96.00 GFLOPS
Graphics Processor
GPU Name
Antigua
Saturn
GPU Variant
Antigua PRO(215-0877000)
Saturn PRO
Architecture
GCN 3.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
5 billion
2.08 billion
Die Size
366 mm²
160 mm²
Board Design
TDP
190W
75W
Suggested PSU
450 W
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.0
Vulkan
1.2
1.2
Shader Model
6.3
6.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.