AMD Radeon R9 280X vs NVIDIA GeForce GTX 650 Ti OEM
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X and 2GB VRAM GeForce GTX 650 Ti OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 280X 's Advantages
Released 7 months late
Boost Clock1000MHz
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (288.0GB/s vs 86.40GB/s)
1280 additional rendering cores
NVIDIA GeForce GTX 650 Ti OEM 's Advantages
Lower TDP (110W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 280X
+187%
4.096 TFLOPS
GeForce GTX 650 Ti OEM
1.425 TFLOPS
Graphics Card
Oct 2013
Release Date
Mar 2013
Volcanic Islands
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
850 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1500 MHz
Memory Clock
1350 MHz
Memory
3GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
128bit
288.0GB/s
Bandwidth
86.40GB/s
Render Config
32
Compute Units
-
-
-
-
2048
Shading Units
768
128
TMUs
64
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
768 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
32.00 GPixel/s
Pixel Rate
14.85 GPixel/s
128.0 GTexel/s
Texture Rate
59.39 GTexel/s
-
-
-
4.096 TFLOPS
FP32 (float)
1425 GFLOPS
1024 GFLOPS
FP64 (double)
59.39 GFLOPS
Board Design
250W
TDP
110W
600 W
Suggested PSU
300 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
2x DVI
1x mini-HDMI 1.4a
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
Tahiti
GPU Name
GK106
Tahiti XTL
(215-0821065)
GPU Variant
-
GCN 1.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
4.313 billion
Transistors
2.54 billion
352 mm²
Die Size
221 mm²
Graphics Features
12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.2
OpenCL
3.0
1.2
Vulkan
1.1
-
CUDA
3.0
5.1
Shader Model
5.1
