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GPU Comparison
AMD Radeon R9 285X vs NVIDIA GeForce GTX 490
AMD Radeon R9 285X vs NVIDIA GeForce GTX 490
VS
AMD Radeon R9 285X
NVIDIA GeForce GTX 490
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 285X 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 285X 's Advantages
More VRAM (3GB vs 1GB)
Larger VRAM bandwidth (264.0GB/s vs 164.0GB/s)
1568 additional rendering cores
Lower TDP (200W vs 365W)
Score
Benchmark
FP32 (float)
Radeon R9 285X
+251%
4.104 TFLOPS
GeForce GTX 490
1.166 TFLOPS
Radeon R9 285X
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
-
Base Clock
-
-
Boost Clock
-
1375 MHz
Memory Clock
854 MHz
Memory
3GB
Memory Size
1536MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
384bit
264.0GB/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
32.06 GPixel/s
Pixel Rate
18.24 GPixel/s
128.3 GTexel/s
Texture Rate
36.48 GTexel/s
-
FP16 (half)
-
4.104 TFLOPS
FP32 (float)
1166 GFLOPS
-
FP64 (double)
145.8 GFLOPS
Graphics Processor
Tonga
GPU Name
GF100
Tonga XT (215-0851313)
GPU Variant
GF100-375-A3
GCN 3.0
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
5 billion
Transistors
3.1 billion
366 mm²
Die Size
529 mm²
Board Design
200W
TDP
365W
550 W
Suggested PSU
750 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
3x DVI 1x mini-DisplayPort
1x 6-pin + 1x 8-pin
Power Connectors
2x 8-pin
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.0
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.0
6.3
Shader Model
5.1
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7
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8
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9
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10
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