AMD Radeon R9 270 vs ATI Radeon X800 GTO
We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 and 128MB VRAM Radeon X800 GTO to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 270 's Advantages
Released 5 years and 11 months late
Boost Clock925MHz
More VRAM (2GB vs 128GB)
Larger VRAM bandwidth (179.2GB/s vs 22.40GB/s)
1280 additional rendering cores
ATI Radeon X800 GTO 's Advantages
Lower TDP (49W vs 150W)
Score
Graphics Card
Nov 2013
Release Date
Dec 2007
Volcanic Islands
Generation
Radeon R400 PCIe
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
900 MHz
Base Clock
-
925 MHz
Boost Clock
-
1400 MHz
Memory Clock
350 MHz
Memory
2GB
Memory Size
128MB
GDDR5
Memory Type
DDR
256bit
Memory Bus
256bit
179.2GB/s
Bandwidth
22.40GB/s
Render Config
20
Compute Units
-
-
-
-
1280
Shading Units
-
80
TMUs
12
32
ROPs
12
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
-
-
-
-
Theoretical Performance
29.60 GPixel/s
Pixel Rate
4.800 GPixel/s
74.00 GTexel/s
Texture Rate
4.800 GTexel/s
-
-
-
2.368 TFLOPS
FP32 (float)
-
148.0 GFLOPS
FP64 (double)
-
Board Design
150W
TDP
49W
450 W
Suggested PSU
200 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x VGA
1x S-Video
1x 6-pin
Power Connectors
-
Graphics Processor
Curacao
GPU Name
R423
Curacao PRO
(215-0848000)
GPU Variant
R423 GTO
GCN 1.0
Architecture
R400
TSMC
Foundry
TSMC
28 nm
Process Size
130 nm
2.8 billion
Transistors
0.16 billion
212 mm²
Die Size
289 mm²
Graphics Features
12 (11_1)
DirectX
9.0b (9_2)
4.6
OpenGL
2.1
1.2
OpenCL
N/A
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
-
