AMD Radeon R9 270X vs ATI Radeon X1600 XT Dual
We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270X and 256MB VRAM Radeon X1600 XT Dual to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 270X 's Advantages
Boost Clock1050MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (179.2GB/s vs 22.08GB/s)
1280 additional rendering cores
Score
Graphics Card
Oct 2013
Release Date
Unknown
Volcanic Islands
Generation
Radeon R500 PCIe
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
1000 MHz
Base Clock
-
1050 MHz
Boost Clock
-
1400 MHz
Memory Clock
690 MHz
Memory
2GB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
128bit
179.2GB/s
Bandwidth
22.08GB/s
Render Config
20
Compute Units
-
-
-
-
1280
Shading Units
-
80
TMUs
4
32
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
-
-
-
-
Theoretical Performance
33.60 GPixel/s
Pixel Rate
2.360 GPixel/s
84.00 GTexel/s
Texture Rate
2.360 GTexel/s
-
-
-
2.688 TFLOPS
FP32 (float)
-
168.0 GFLOPS
FP64 (double)
-
Board Design
180W
TDP
Unknown
450 W
Suggested PSU
200 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
2x DVI
2x 6-pin
Power Connectors
1x Molex
Graphics Processor
Curacao
GPU Name
RV530
Curacao XT
(215-0848004)
GPU Variant
-
GCN 1.0
Architecture
Ultra-Threaded SE
TSMC
Foundry
TSMC
28 nm
Process Size
90 nm
2.8 billion
Transistors
0.157 billion
212 mm²
Die Size
150 mm²
Graphics Features
12 (11_1)
DirectX
9.0c (9_3)
4.6
OpenGL
2.1
1.2
OpenCL
N/A
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
3.0
