GeForce GTX 480 vs Radeon R9 270X
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 480 and 2GB VRAM Radeon R9 270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 270X Advantages
Released 3 years and 7 months late
Boost Clock1050MHz
More VRAM (2GB vs 1536GB)
Larger VRAM bandwidth (179.2GB/s vs 177.4GB/s)
800 additional rendering cores
Lower TDP (180W vs 250W)
Score
Benchmark
FP32 (float)
GeForce GTX 480
1345
Radeon R9 270X
+99%
2688
Graphics Card
Mar 2010
Release Date
Oct 2013
GeForce 400
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1000 MHz
-
Boost Clock
1050 MHz
924 MHz
Memory Clock
1400 MHz
Memory
1536MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
177.4GB/s
Bandwidth
179.2GB/s
Render Config
-
Compute Units
20
15
SM Count
-
480
Shading Units
1280
60
TMUs
80
48
ROPs
32
64 KB (per SM)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
512 KB
Theoretical Performance
21.03 GPixel/s
Pixel Rate
33.60 GPixel/s
42.06 GTexel/s
Texture Rate
84.00 GTexel/s
1345 GFLOPS
FP32 (float)
2.688 TFLOPS
168.1 GFLOPS
FP64 (double)
168.0 GFLOPS
Board Design
250W
TDP
180W
600 W
Suggested PSU
450 W
2x DVI
1x mini-HDMI 1.3a
1x mini-HDMI 1.3a
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x HDMI 1.4a
1x DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
GF100
GPU Name
Curacao
GF100-375-A3
GPU Variant
Curacao XT
(215-0848004)
(215-0848004)
Fermi
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
3.1 billion
Transistors
2.8 billion
529 mm²
Die Size
212 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.1
OpenCL
1.2
N/A
Vulkan
1.2
2.0
CUDA
-
5.1
Shader Model
5.1
