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GPU Comparison
ATI FirePro V3900 vs NVIDIA GeForce GTX 660
ATI FirePro V3900 vs NVIDIA GeForce GTX 660
VS
ATI FirePro V3900
NVIDIA GeForce GTX 660
We compared two Desktop platform GPUs: 1024MB VRAM FirePro V3900 and 2GB VRAM GeForce GTX 660 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI FirePro V3900 's Advantages
Lower TDP (50W vs 140W)
NVIDIA GeForce GTX 660 's Advantages
Released 7 months late
Boost Clock1032MHz
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (144.2GB/s vs 28.80GB/s)
480 additional rendering cores
Score
Benchmark
FP32 (float)
FirePro V3900
0.624 TFLOPS
GeForce GTX 660
+217%
1.981 TFLOPS
FirePro V3900
VS
GeForce GTX 660
Graphics Card
Feb 2012
Release Date
Sep 2012
FirePro
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
980 MHz
-
Boost Clock
1032 MHz
900 MHz
Memory Clock
1502 MHz
Memory
1024MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
192bit
28.80GB/s
Bandwidth
144.2GB/s
Render Config
-
SM Count
-
6
Compute Units
-
480
Shading Units
960
24
TMUs
80
8
ROPs
24
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
384 KB
Theoretical Performance
5.200 GPixel/s
Pixel Rate
20.64 GPixel/s
15.60 GTexel/s
Texture Rate
82.56 GTexel/s
-
FP16 (half)
-
624.0 GFLOPS
FP32 (float)
1.981 TFLOPS
-
FP64 (double)
82.56 GFLOPS
Graphics Processor
Turks
GPU Name
GK106
Turks GL
GPU Variant
GK106-400-A1
TeraScale 2
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.716 billion
Transistors
2.54 billion
118 mm²
Die Size
221 mm²
Board Design
50W
TDP
140W
250 W
Suggested PSU
300 W
1x DVI 1x DisplayPort 1.1
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
None
Power Connectors
1x 6-pin
Graphics Features
11.2 (11_0)
DirectX
12 (11_0)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.0
5.0
Shader Model
5.1
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