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GPU Comparison
NVIDIA GeForce 840M vs ATI Mobility Radeon HD 4850
NVIDIA GeForce 840M vs ATI Mobility Radeon HD 4850
VS
NVIDIA GeForce 840M
ATI Mobility Radeon HD 4850
We compared two Mobile platform GPUs: 2GB VRAM GeForce 840M and 1024MB VRAM Mobility Radeon HD 4850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 840M 's Advantages
Released 5 years and 2 months late
Boost Clock1124MHz
More VRAM (2GB vs 1GB)
ATI Mobility Radeon HD 4850 's Advantages
Larger VRAM bandwidth (54.40GB/s vs 16.02GB/s)
416 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 840M
+7%
0.863 TFLOPS
Mobility Radeon HD 4850
0.804 TFLOPS
GeForce 840M
VS
Mobility Radeon HD 4850
Graphics Card
Mar 2014
Release Date
Jan 2009
GeForce 800M
Generation
M9x
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1029 MHz
Base Clock
-
1124 MHz
Boost Clock
-
1001 MHz
Memory Clock
850 MHz
Memory
2GB
Memory Size
1024MB
DDR3
Memory Type
GDDR3
64bit
Memory Bus
256bit
16.02GB/s
Bandwidth
54.40GB/s
Render Config
-
SM Count
-
-
Compute Units
10
384
Shading Units
800
16
TMUs
40
8
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SMM)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
256 KB
Theoretical Performance
8.992 GPixel/s
Pixel Rate
8.048 GPixel/s
17.98 GTexel/s
Texture Rate
20.12 GTexel/s
-
FP16 (half)
-
863.2 GFLOPS
FP32 (float)
804.8 GFLOPS
26.98 GFLOPS
FP64 (double)
161.0 GFLOPS
Graphics Processor
GM108
GPU Name
M98
N15S-GT
GPU Variant
M98 L2 (216-0732019)
Maxwell
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
Unknown
Transistors
0.956 billion
Unknown
Die Size
256 mm²
Board Design
33W
TDP
Unknown
-
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
-
Power Connectors
-
Graphics Features
12 (11_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.3
Vulkan
N/A
5.0
CUDA
-
5.1
Shader Model
4.1
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