NVIDIA GeForce GTX 490 vs AMD Radeon R9 380X
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 4GB VRAM Radeon R9 380X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 380X 's Advantages
More VRAM (4GB vs 1536GB)
Larger VRAM bandwidth (182.4GB/s vs 164.0GB/s)
1568 additional rendering cores
Lower TDP (190W vs 365W)
Score
Benchmark
FP32 (float)
GeForce GTX 490
1.166 TFLOPS
Radeon R9 380X
+240%
3.973 TFLOPS
Graphics Card
Unknown
Release Date
Nov 2015
GeForce 400
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
-
-
-
-
-
854 MHz
Memory Clock
1425 MHz
Memory
1536MB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
164.0GB/s
Bandwidth
182.4GB/s
Render Config
-
Compute Units
32
15
SM Count
-
480
Shading Units
2048
60
TMUs
128
48
ROPs
32
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
18.24 GPixel/s
Pixel Rate
31.04 GPixel/s
36.48 GTexel/s
Texture Rate
124.2 GTexel/s
-
FP16 (half)
3.973 TFLOPS
1166 GFLOPS
FP32 (float)
3.973 TFLOPS
145.8 GFLOPS
FP64 (double)
248.3 GFLOPS
Board Design
365W
TDP
190W
750 W
Suggested PSU
450 W
3x DVI
1x mini-DisplayPort
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
2x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
GF100
GPU Name
Antigua
GF100-375-A3
GPU Variant
Antigua XT
(215-0877016)
Fermi
Architecture
GCN 3.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
3.1 billion
Transistors
5 billion
529 mm²
Die Size
366 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.1
OpenCL
2.0
N/A
Vulkan
1.2
2.0
CUDA
-
5.1
Shader Model
6.3
