AMD Radeon R9 290X2 vs AMD Radeon R9 M395X Mac Edition
GPU · Specs Compare
Graphics Card
Release Date
Jun 2014
May 2015
Generation
Volcanic Islands
Crystal System
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1350 MHz
1365 MHz
Memory
Memory Size
4GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
512bit
256bit
Bandwidth
345.6GB/s
174.7GB/s
Render Config
Compute Units
44
32
Shading Units
2816
2048
TMUs
176
128
ROPs
64
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
512 KB
Theoretical Performance
Pixel Rate
64.00 GPixel/s
29.09 GPixel/s
Texture Rate
176.0 GTexel/s
116.4 GTexel/s
FP32 (float)
5.632 TFLOPS
3.723 TFLOPS
FP64 (double)
704.0 GFLOPS
232.7 GFLOPS
FP16 (half)
—
3.723 TFLOPS
Graphics Processor
GPU Name
Hawaii
Amethyst
GPU Variant
Hawaii XT(215-0852000)
Amethyst XT
Architecture
GCN 2.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
6.2 billion
5 billion
Die Size
438 mm²
366 mm²
Board Design
TDP
580W
250W
Suggested PSU
950 W
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
4x 8-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.