AMD Radeon R9 280X2 vs AMD Radeon R9 M385X
GPU Specs Compare
Graphics Card
Release Date
Unknown
May 2015
Generation
Volcanic Islands
Gem System
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
950 MHz
1000 MHz
Boost Clock
1000 MHz
1100 MHz
Memory Clock
1500 MHz
1200 MHz
Memory
Memory Size
3GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
128bit
Bandwidth
288.0GB/s
76.80GB/s
Render Config
Compute Units
32
14
Shading Units
2048
896
TMUs
128
56
ROPs
32
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
256 KB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
17.60 GPixel/s
Texture Rate
128.0 GTexel/s
61.60 GTexel/s
FP32 (float)
4.096 TFLOPS
1.971 TFLOPS
FP64 (double)
1024 GFLOPS
123.2 GFLOPS
Graphics Processor
GPU Name
Tahiti
Strato
GPU Variant
Tahiti XTL(215-0821065)
Strato XT
Architecture
GCN 1.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
4.313 billion
2.08 billion
Die Size
352 mm²
160 mm²
Board Design
TDP
375W
Unknown
Suggested PSU
750 W
-
Outputs
6x mini-DisplayPort 1.2
Portable Device Dependent
Power Connectors
3x 8-pin
-
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.2.170
Shader Model
5.1
6.5