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GPU Comparison
AMD Radeon R9 280X2 vs NVIDIA GeForce GTX 490
AMD Radeon R9 280X2 vs NVIDIA GeForce GTX 490
VS
AMD Radeon R9 280X2
NVIDIA GeForce GTX 490
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X2 and 1536MB VRAM GeForce GTX 490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 280X2 's Advantages
Boost Clock1000MHz
More VRAM (3GB vs 1GB)
Larger VRAM bandwidth (288.0GB/s vs 164.0GB/s)
1568 additional rendering cores
NVIDIA GeForce GTX 490 's Advantages
Lower TDP (365W vs 375W)
Score
Benchmark
FP32 (float)
Radeon R9 280X2
+251%
4.096 TFLOPS
GeForce GTX 490
1.166 TFLOPS
Radeon R9 280X2
VS
GeForce GTX 490
Graphics Card
Unknown
Release Date
Unknown
Volcanic Islands
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
950 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1500 MHz
Memory Clock
854 MHz
Memory
3GB
Memory Size
1536MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
384bit
288.0GB/s
Bandwidth
164.0GB/s
Render Config
-
SM Count
15
32
Compute Units
-
2048
Shading Units
480
128
TMUs
60
32
ROPs
48
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
768 KB
L2 Cache
768 KB
Theoretical Performance
32.00 GPixel/s
Pixel Rate
18.24 GPixel/s
128.0 GTexel/s
Texture Rate
36.48 GTexel/s
-
FP16 (half)
-
4.096 TFLOPS
FP32 (float)
1166 GFLOPS
1024 GFLOPS
FP64 (double)
145.8 GFLOPS
Graphics Processor
Tahiti
GPU Name
GF100
Tahiti XTL (215-0821065)
GPU Variant
GF100-375-A3
GCN 1.0
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
4.313 billion
Transistors
3.1 billion
352 mm²
Die Size
529 mm²
Board Design
375W
TDP
365W
750 W
Suggested PSU
750 W
6x mini-DisplayPort 1.2
Outputs
3x DVI 1x mini-DisplayPort
3x 8-pin
Power Connectors
2x 8-pin
Graphics Features
12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.0
5.1
Shader Model
5.1
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