AMD Radeon R9 M380 Mac Edition vs AMD Radeon HD 6990
GPU · Specs Compare
Graphics Card
Release Date
May 2015
Mar 2011
Generation
Gem System
Northern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
900 MHz
—
Boost Clock
1021 MHz
—
Memory Clock
1568 MHz
1250 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
100.4GB/s
160.0GB/s
Render Config
Compute Units
12
24
Shading Units
768
1536
TMUs
48
96
ROPs
16
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
256 KB
512 KB
Theoretical Performance
Pixel Rate
16.34 GPixel/s
26.56 GPixel/s
Texture Rate
49.01 GTexel/s
79.68 GTexel/s
FP32 (float)
1.568 TFLOPS
2.550 TFLOPS
FP64 (double)
98.02 GFLOPS
637.4 GFLOPS
Graphics Processor
GPU Name
Strato
Antilles
GPU Variant
Strato PRO
Antilles XT(215-0807027)
Architecture
GCN 2.0
TeraScale 3
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
2.08 billion
2.64 billion
Die Size
160 mm²
389 mm²
Board Design
TDP
Unknown
375W
Outputs
Portable Device Dependent
1x DVI4x mini-DisplayPort 1.2
Suggested PSU
—
750 W
Power Connectors
—
2x 8-pin
Graphics Features
DirectX
12 (12_0)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.2.170
N/A
Shader Model
6.5
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.