Home GPU Comparison NVIDIA GeForce GTX 485M vs AMD Radeon HD 6490M

NVIDIA GeForce GTX 485M vs AMD Radeon HD 6490M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 485M and 512MB VRAM Radeon HD 6490M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 485M 's Advantages
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (96.00GB/s vs 25.60GB/s)
224 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 485M +244%
0.883 TFLOPS
Radeon HD 6490M
0.256 TFLOPS

Graphics Card

Jan 2011
Release Date
Jan 2011
GeForce 400M
Generation
Vancouver
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
750 MHz
Memory Clock
800 MHz

Memory

2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
64bit
96.00GB/s
Bandwidth
25.60GB/s

Render Config

-
Compute Units
2
8
SM Count
-
384
Shading Units
160
64
TMUs
8
32
ROPs
4
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

9.200 GPixel/s
Pixel Rate
3.200 GPixel/s
36.80 GTexel/s
Texture Rate
6.400 GTexel/s
-
-
-
883.2 GFLOPS
FP32 (float)
256.0 GFLOPS
73.60 GFLOPS
FP64 (double)
-

Board Design

100W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
-

Graphics Processor

GF104
GPU Name
Seymour
N12E-GTX-A1
GPU Variant
Seymour XTX S3 (216-0809024)
Fermi
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.95 billion
Transistors
0.37 billion
332 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
2.1
CUDA
-
5.1
Shader Model
5.0
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