NVIDIA GeForce GTX 490 vs NVIDIA GeForce GT 340 OEM
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 1024MB VRAM GeForce GT 340 OEM 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 27.20GB/s)
384 additional rendering cores
NVIDIA GeForce GT 340 OEM 's Advantages
Lower TDP (69W vs 365W)
Score
Benchmark
FP32 (float)
GeForce GTX 490
+353%
1.166 TFLOPS
GeForce GT 340 OEM
0.257 TFLOPS
Graphics Card
Unknown
Release Date
Feb 2010
GeForce 400
Generation
GeForce 300
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
854 MHz
Memory Clock
850 MHz
Memory
1536MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
128bit
164.0GB/s
Bandwidth
27.20GB/s
Render Config
-
-
-
15
SM Count
12
480
Shading Units
96
60
TMUs
32
48
ROPs
8
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
-
768 KB
L2 Cache
64 KB
-
-
-
Theoretical Performance
18.24 GPixel/s
Pixel Rate
4.400 GPixel/s
36.48 GTexel/s
Texture Rate
17.60 GTexel/s
-
-
-
1166 GFLOPS
FP32 (float)
257.3 GFLOPS
145.8 GFLOPS
FP64 (double)
-
Board Design
365W
TDP
69W
750 W
Suggested PSU
250 W
3x DVI
1x mini-DisplayPort
Outputs
1x DVI
1x HDMI
1x VGA
2x 8-pin
Power Connectors
None
Graphics Processor
GF100
GPU Name
GT215
GF100-375-A3
GPU Variant
GT215-301-A3
Fermi
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
3.1 billion
Transistors
0.727 billion
529 mm²
Die Size
144 mm²
Graphics Features
12 (11_0)
DirectX
11.1 (10_1)
4.6
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
2.0
CUDA
1.2
5.1
Shader Model
4.1
