Home GPU Comparison ATI Mobility Radeon HD 4850 X2 vs NVIDIA GeForce 940M

ATI Mobility Radeon HD 4850 X2 vs NVIDIA GeForce 940M

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4850 X2 and 2GB VRAM GeForce 940M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4850 X2 's Advantages
Larger VRAM bandwidth (89.60GB/s vs 14.40GB/s)
288 additional rendering cores
NVIDIA GeForce 940M 's Advantages
Released 6 years and 2 months late
Boost Clock1098MHz
More VRAM (2GB vs 1024GB)

Score

Benchmark

FP32 (float)
Mobility Radeon HD 4850 X2
0.8 TFLOPS
GeForce 940M +40%
1.124 TFLOPS
VS

Graphics Card

Jan 2009
Release Date
Mar 2015
M9x
Generation
GeForce 900M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-B (3.0)

Clock Speeds

-
Base Clock
1020 MHz
-
Boost Clock
1098 MHz
700 MHz
Memory Clock
900 MHz

Memory

1024MB
Memory Size
2GB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
89.60GB/s
Bandwidth
14.40GB/s

Render Config

10
Compute Units
-
-
-
-
800
Shading Units
512
40
TMUs
32
16
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SMM)
256 KB
L2 Cache
2 MB
-
-
-

Theoretical Performance

8.000 GPixel/s
Pixel Rate
17.57 GPixel/s
20.00 GTexel/s
Texture Rate
35.14 GTexel/s
-
-
-
800.0 GFLOPS
FP32 (float)
1124 GFLOPS
160.0 GFLOPS
FP64 (double)
35.14 GFLOPS

Board Design

Unknown
TDP
75W
-
-
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-

Graphics Processor

M98
GPU Name
GM107
M98 L2 (216-0732019)
GPU Variant
N16S-GT1-KB-B
TeraScale
Architecture
Maxwell
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.956 billion
Transistors
1.87 billion
256 mm²
Die Size
148 mm²

Graphics Features

10.1 (10_1)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.3
-
CUDA
5.0
4.1
Shader Model
5.1

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