NVIDIA GeForce GTX 490 vs AMD Radeon HD 8450 OEM
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 1024MB VRAM Radeon HD 8450 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 10.67GB/s)
320 additional rendering cores
AMD Radeon HD 8450 OEM 's Advantages
Lower TDP (18W vs 365W)
Score
Benchmark
FP32 (float)
GeForce GTX 490
+483%
1.166 TFLOPS
Radeon HD 8450 OEM
0.2 TFLOPS
Graphics Card
Unknown
Release Date
Jan 2013
GeForce 400
Generation
Sea Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
854 MHz
Memory Clock
667 MHz
Memory
1536MB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
384bit
Memory Bus
64bit
164.0GB/s
Bandwidth
10.67GB/s
Render Config
-
Compute Units
2
15
SM Count
-
480
Shading Units
160
60
TMUs
8
48
ROPs
4
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
8 KB (per CU)
768 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
18.24 GPixel/s
Pixel Rate
2.500 GPixel/s
36.48 GTexel/s
Texture Rate
5.000 GTexel/s
-
-
-
1166 GFLOPS
FP32 (float)
200.0 GFLOPS
145.8 GFLOPS
FP64 (double)
-
Board Design
365W
TDP
18W
750 W
Suggested PSU
200 W
3x DVI
1x mini-DisplayPort
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
2x 8-pin
Power Connectors
None
Graphics Processor
GF100
GPU Name
Caicos
GF100-375-A3
GPU Variant
Caicos PRO-L
Fermi
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
3.1 billion
Transistors
0.37 billion
529 mm²
Die Size
67 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
