GeForce GTX 490 vs GeForce 8800 GT Mac Edition
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 512MB VRAM GeForce 8800 GT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 490 's Advantages
More VRAM (1536GB vs 512GB)
Larger VRAM bandwidth (164.0GB/s vs 57.60GB/s)
368 additional rendering cores
GeForce 8800 GT Mac Edition 's Advantages
Lower TDP (125W vs 365W)
Score
Benchmark
FP32 (float)
GeForce GTX 490
+247%
1166
GeForce 8800 GT Mac Edition
336
Graphics Card
Unknown
Release Date
Feb 2008
GeForce 400
Generation
GeForce 8
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
512MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
256bit
164.0GB/s
Bandwidth
57.60GB/s
Render Config
15
SM Count
14
480
Shading Units
112
60
TMUs
56
48
ROPs
16
64 KB (per SM)
L1 Cache
-
768 KB
L2 Cache
64 KB
Theoretical Performance
18.24 GPixel/s
Pixel Rate
9.600 GPixel/s
36.48 GTexel/s
Texture Rate
33.60 GTexel/s
1166 GFLOPS
FP32 (float)
336.0 GFLOPS
145.8 GFLOPS
FP64 (double)
-
Board Design
365W
TDP
125W
750 W
Suggested PSU
300 W
3x DVI
1x mini-DisplayPort
Outputs
2x DVI
2x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
GF100
GPU Name
G92
GF100-375-A3
GPU Variant
G92-270-A2
Fermi
Architecture
Tesla
TSMC
Foundry
TSMC
40 nm
Process Size
65 nm
3.1 billion
Transistors
0.754 billion
529 mm²
Die Size
324 mm²
Graphics Features
12 (11_0)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
2.0
CUDA
1.1
5.1
Shader Model
4.0
