Radeon X1950 XTX Uber Edition vs Radeon R9 390 X2
We compared two Desktop platform GPUs: 512MB VRAM Radeon X1950 XTX Uber Edition and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon X1950 XTX Uber Edition 's Advantages
Lower TDP (125W vs 580W)
Radeon R9 390 X2 's Advantages
Released 8 years and 8 months late
More VRAM (8GB vs 512GB)
Larger VRAM bandwidth (345.6GB/s vs 67.20GB/s)
2560 additional rendering cores
Score
Graphics Card
Jan 2007
Release Date
Sep 2015
Radeon R500 PCIe
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1050 MHz
Memory Clock
1350 MHz
Memory
512MB
Memory Size
8GB
GDDR4
Memory Type
GDDR5
256bit
Memory Bus
512bit
67.20GB/s
Bandwidth
345.6GB/s
Render Config
-
Compute Units
40
-
Shading Units
2560
16
TMUs
160
16
ROPs
64
-
L1 Cache
16 KB (per CU)
-
L2 Cache
1024 KB
Theoretical Performance
10.72 GPixel/s
Pixel Rate
64.00 GPixel/s
10.72 GTexel/s
Texture Rate
160.0 GTexel/s
-
FP32 (float)
5.120 TFLOPS
-
FP64 (double)
640.0 GFLOPS
Board Design
125W
TDP
580W
300 W
Suggested PSU
950 W
1x DVI
1x VHDCI
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 6-pin
Power Connectors
4x 8-pin
Graphics Processor
R580+
GPU Name
Grenada
R580+ XT
(215BAABKA31FG)
GPU Variant
Grenada PRO
(215-0880030)
R500
Architecture
GCN 2.0
TSMC
Foundry
TSMC
90 nm
Process Size
28 nm
0.384 billion
Transistors
6.2 billion
352 mm²
Die Size
438 mm²
Graphics Features
9.0c (9_3)
DirectX
12 (12_0)
2.1 (full)
3.0 (partial)
OpenGL
4.6
N/A
OpenCL
2.0
N/A
Vulkan
1.2
3.0
Shader Model
6.3
