AMD Radeon R9 295X2 vs AMD Radeon E9390 PCIe
GPU Specs Compare
Graphics Card
Release Date
Apr 2014
Oct 2019
Generation
Volcanic Islands
Embedded
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1250 MHz
1250 MHz
Base Clock
-
713 MHz
Boost Clock
-
1089 MHz
Memory
Memory Size
4GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
512bit
256bit
Bandwidth
320.0GB/s
160.0GB/s
Render Config
Compute Units
44
28
Shading Units
2816
1792
TMUs
176
112
ROPs
64
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
2 MB
Theoretical Performance
Pixel Rate
65.15 GPixel/s
34.85 GPixel/s
Texture Rate
179.2 GTexel/s
122.0 GTexel/s
FP32 (float)
5.733 TFLOPS
3.903 TFLOPS
FP64 (double)
716.7 GFLOPS
243.9 GFLOPS
FP16 (half)
-
3.903 TFLOPS
Graphics Processor
GPU Name
Vesuvius
Ellesmere
GPU Variant
Vesuvius XT(215-0852022)
-
Architecture
GCN 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
6.2 billion
5.7 billion
Die Size
438 mm²
232 mm²
Board Design
TDP
500W
75W
Suggested PSU
900 W
-
Outputs
1x DVI4x mini-DisplayPort 1.2
4x DisplayPort 1.4a
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.2
Shader Model
6.3
6.4