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GPU Comparison
NVIDIA GeForce GTX 850A vs AMD Radeon HD 7490M
NVIDIA GeForce GTX 850A vs AMD Radeon HD 7490M
VS
NVIDIA GeForce GTX 850A
AMD Radeon HD 7490M
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850A and 1024MB VRAM Radeon HD 7490M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 850A 's Advantages
Released 2 years and 2 months late
Boost Clock936MHz
More VRAM (2GB vs 1GB)
480 additional rendering cores
AMD Radeon HD 7490M 's Advantages
Larger VRAM bandwidth (30.40GB/s vs 28.80GB/s)
Lower TDP (9W vs 45W)
Score
Benchmark
FP32 (float)
GeForce GTX 850A
+367%
1.198 TFLOPS
Radeon HD 7490M
0.256 TFLOPS
GeForce GTX 850A
VS
Radeon HD 7490M
Graphics Card
Mar 2014
Release Date
Jan 2012
GeForce 800A
Generation
London
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
902 MHz
Base Clock
-
936 MHz
Boost Clock
-
900 MHz
Memory Clock
950 MHz
Memory
2GB
Memory Size
1024MB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
64bit
28.80GB/s
Bandwidth
30.40GB/s
Render Config
-
SM Count
-
-
Compute Units
2
640
Shading Units
160
40
TMUs
8
16
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SMM)
L1 Cache
8 KB (per CU)
2 MB
L2 Cache
128 KB
Theoretical Performance
14.98 GPixel/s
Pixel Rate
3.200 GPixel/s
37.44 GTexel/s
Texture Rate
6.400 GTexel/s
-
FP16 (half)
-
1198 GFLOPS
FP32 (float)
256.0 GFLOPS
37.44 GFLOPS
FP64 (double)
-
Graphics Processor
GM107
GPU Name
Seymour
N15P-GT-A1
GPU Variant
Seymour XTX (216-0810005)
Maxwell
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.87 billion
Transistors
0.37 billion
148 mm²
Die Size
67 mm²
Board Design
45W
TDP
9W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
-
Graphics Features
12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.3
Vulkan
N/A
5.0
CUDA
-
5.1
Shader Model
5.0
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