NVIDIA GeForce GTX 490 vs ATI FirePro V3900
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 1024MB VRAM FirePro V3900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 490 's Advantages
More VRAM (1536GB vs 1024GB)
Larger VRAM bandwidth (164.0GB/s vs 28.80GB/s)
ATI FirePro V3900 's Advantages
Lower TDP (50W vs 365W)
Score
Benchmark
FP32 (float)
GeForce GTX 490
+86%
1.166 TFLOPS
FirePro V3900
0.624 TFLOPS
Graphics Card
Unknown
Release Date
Feb 2012
GeForce 400
Generation
FirePro
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
854 MHz
Memory Clock
900 MHz
Memory
1536MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
128bit
164.0GB/s
Bandwidth
28.80GB/s
Render Config
-
Compute Units
6
15
SM Count
-
480
Shading Units
480
60
TMUs
24
48
ROPs
8
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
8 KB (per CU)
768 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
18.24 GPixel/s
Pixel Rate
5.200 GPixel/s
36.48 GTexel/s
Texture Rate
15.60 GTexel/s
-
-
-
1166 GFLOPS
FP32 (float)
624.0 GFLOPS
145.8 GFLOPS
FP64 (double)
-
Board Design
365W
TDP
50W
750 W
Suggested PSU
250 W
3x DVI
1x mini-DisplayPort
Outputs
1x DVI
1x DisplayPort 1.1
2x 8-pin
Power Connectors
None
Graphics Processor
GF100
GPU Name
Turks
GF100-375-A3
GPU Variant
Turks GL
Fermi
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
3.1 billion
Transistors
0.716 billion
529 mm²
Die Size
118 mm²
Graphics Features
12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
2.0
CUDA
-
5.1
Shader Model
5.0
