Home GPU Comparison NVIDIA GeForce 840A vs ATI Radeon E4690 MXM

NVIDIA GeForce 840A vs ATI Radeon E4690 MXM

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840A and 512MB VRAM Radeon E4690 MXM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840A 's Advantages
Released 4 years and 9 months late
Boost Clock1124MHz
More VRAM (2GB vs 512GB)
64 additional rendering cores
ATI Radeon E4690 MXM 's Advantages
Larger VRAM bandwidth (22.40GB/s vs 16.02GB/s)
Lower TDP (30W vs 33W)

Score

Benchmark

FP32 (float)
GeForce 840A +124%
0.863 TFLOPS
Radeon E4690 MXM
0.384 TFLOPS
VS

Graphics Card

Mar 2014
Release Date
Jun 2009
GeForce 800A
Generation
Embedded
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
MXM-II

Clock Speeds

1029 MHz
Base Clock
-
1124 MHz
Boost Clock
-
1001 MHz
Memory Clock
700 MHz

Memory

2GB
Memory Size
512MB
DDR3
Memory Type
GDDR3
64bit
Memory Bus
128bit
16.02GB/s
Bandwidth
22.40GB/s

Render Config

-
Compute Units
4
-
-
-
384
Shading Units
320
16
TMUs
32
8
ROPs
8
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

8.992 GPixel/s
Pixel Rate
4.800 GPixel/s
17.98 GTexel/s
Texture Rate
19.20 GTexel/s
-
-
-
863.2 GFLOPS
FP32 (float)
384.0 GFLOPS
26.98 GFLOPS
FP64 (double)
-

Board Design

33W
TDP
30W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

GM108
GPU Name
RV730
-
GPU Variant
RV730 XT E4690 (215-0729055)
Maxwell
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
Unknown
Transistors
0.514 billion
Unknown
Die Size
146 mm²

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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