AMD Radeon R9 290X2 vs AMD Radeon R9 M385X
GPU Specs Compare
Graphics Card
Release Date
Jun 2014
May 2015
Generation
Volcanic Islands
Gem System
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1350 MHz
1200 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1100 MHz
Memory
Memory Size
4GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
512bit
128bit
Bandwidth
345.6GB/s
76.80GB/s
Render Config
Compute Units
44
14
Shading Units
2816
896
TMUs
176
56
ROPs
64
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
256 KB
Theoretical Performance
Pixel Rate
64.00 GPixel/s
17.60 GPixel/s
Texture Rate
176.0 GTexel/s
61.60 GTexel/s
FP32 (float)
5.632 TFLOPS
1.971 TFLOPS
FP64 (double)
704.0 GFLOPS
123.2 GFLOPS
Graphics Processor
GPU Name
Hawaii
Strato
GPU Variant
Hawaii XT(215-0852000)
Strato XT
Architecture
GCN 2.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
6.2 billion
2.08 billion
Die Size
438 mm²
160 mm²
Board Design
TDP
580W
Unknown
Suggested PSU
950 W
-
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Portable Device Dependent
Power Connectors
4x 8-pin
-
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.2.170
Shader Model
6.3
6.5