AMD Radeon R9 380 OEM vs AMD Radeon HD 6870
GPU · Specs Compare
Graphics Card
Release Date
May 2015
Oct 2010
Generation
Pirate Islands
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Memory Clock
1375 MHz
1050 MHz
Memory
Memory Size
4GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
176.0GB/s
134.4GB/s
Render Config
Compute Units
28
14
Shading Units
1792
1120
TMUs
112
56
ROPs
32
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
29.38 GPixel/s
28.80 GPixel/s
Texture Rate
102.8 GTexel/s
50.40 GTexel/s
FP16 (half)
3.290 TFLOPS
—
FP32 (float)
3.290 TFLOPS
2.016 TFLOPS
FP64 (double)
205.6 GFLOPS
—
Graphics Processor
GPU Name
Antigua
Barts
GPU Variant
Antigua PRO(215-0877000)
Barts XT(215-0798000)
Architecture
GCN 3.0
TeraScale 2
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
5 billion
1.7 billion
Die Size
366 mm²
255 mm²
Board Design
TDP
190W
151W
Suggested PSU
450 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
2x 6-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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.