Matrox Millenium P650 vs AMD Radeon R9 390 X2
We compared two Desktop platform GPUs: 64MB VRAM Millenium P650 and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 390 X2 's Advantages
Released 12 years and 4 months late
More VRAM (8GB vs 64GB)
Larger VRAM bandwidth (345.6GB/s vs 7.360GB/s)
2560 additional rendering cores
Score
Graphics Card
May 2003
Release Date
Sep 2015
Parhelia
Generation
Pirate Islands
Desktop
Type
Desktop
AGP 8x
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
-
-
-
-
-
230 MHz
Memory Clock
1350 MHz
Memory
64MB
Memory Size
8GB
DDR
Memory Type
GDDR5
128bit
Memory Bus
512bit
7.360GB/s
Bandwidth
345.6GB/s
Render Config
-
Compute Units
40
-
-
-
-
Shading Units
2560
8
TMUs
160
2
ROPs
64
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
-
L2 Cache
1024 KB
-
-
-
Theoretical Performance
460.0 MPixel/s
Pixel Rate
64.00 GPixel/s
1.840 GTexel/s
Texture Rate
160.0 GTexel/s
-
-
-
-
FP32 (float)
5.120 TFLOPS
-
FP64 (double)
640.0 GFLOPS
Board Design
Unknown
TDP
580W
200 W
Suggested PSU
950 W
2x DVI
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
None
Power Connectors
4x 8-pin
Graphics Processor
Parhelia-LX
GPU Name
Grenada
MP-A4L
GPU Variant
Grenada PRO
(215-0880030)
Parhelia
Architecture
GCN 2.0
UMC
Foundry
TSMC
150 nm
Process Size
28 nm
0.08 billion
Transistors
6.2 billion
130 mm²
Die Size
438 mm²
Graphics Features
8.1
DirectX
12 (12_0)
1.3
OpenGL
4.6
N/A
OpenCL
2.0
N/A
Vulkan
1.2
-
-
-
-
Shader Model
6.3
